| #9072, aired 2024-04-02 | ASTRONOMY $400: This type of pollution refers to the human-generated glow that impairs a stargazer's view of the heavens light pollution |
| #9072, aired 2024-04-02 | ASTRONOMY $1200: These gas vortices on the Sun can be Earth-sized or larger & last for months sunspots |
| #9072, aired 2024-04-02 | ASTRONOMY $1600: Whether you answer the short way or the long way, Jupiter is still 5.2 of these measurements from the Sun an AU (astronomical units) |
| #9072, aired 2024-04-02 | ASTRONOMY $2000: This word with a non-spacey meaning of "preference" refers to the angle between the orbital & ecliptic planes inclination |
| #9072, aired 2024-04-02 | ASTRONOMY $5,000 (Daily Double): The "E" in NASA's T.E.S.S. satellite stands for these that it's actively looking for, whether they can support life or not exoplanets |
| #9007, aired 2024-01-02 | LET'S TALK ASTRONOMY $400: An astronomical unit, or AU, is the average distance between these 2 bodies, or about 93 million miles Earth & Sun |
| #9007, aired 2024-01-02 | LET'S TALK ASTRONOMY $800: An asterism is a recognizable star pattern that isn't a full constellation, like this familiar one within Cygnus the Northern Cross |
| #9007, aired 2024-01-02 | LET'S TALK ASTRONOMY $1600: "Edgeworth" sometimes precedes another name in the name of this belt of distant objects the Kuiper Belt |
| #9007, aired 2024-01-02 | LET'S TALK ASTRONOMY $2000: This word for when the Moon is between half & full can be pronounced with either a hard or soft "G" sound gibbous |
| #9007, aired 2024-01-02 | LET'S TALK ASTRONOMY $4,800 (Daily Double): When 2 celestial bodies appear close together, they're "in" this, also a part of speech conjunction |
| #8990, aired 2023-12-08 | A MUSE ME $400: Look! up in the sky! It's a bird! It's a plane! No, it's Urania, muse of this science! astronomy |
| #15, aired 2023-05-22 | TOUGH SCIENCE $1600: Used in astronomy, it's the percentage of light reflected by an object; the Moon's is about .1, cloudy Venus', about .7 albedo |
| #8867, aired 2023-05-09 | LESS-THAN-STELLAR SCIENTIFIC POETRY $600: Ptolemy's wrong this Pole did say / Earth has some movement / Founded modern astronomy with some autonomy / & Kepler made an improvement Copernicus |
| #8814, aired 2023-02-23 | ASTRONOMY & SPACE $400: It's known as Earth's twin but it has surface temperatures over 800 degrees Fahrenheit Venus |
| #8814, aired 2023-02-23 | ASTRONOMY & SPACE $800: There are about 6 trillion miles in one of these units of space distance a light-year |
| #8814, aired 2023-02-23 | ASTRONOMY & SPACE $1600: A cluster of young stars, this group of astronomical siblings includes Electra, Maia & Alcyone the Seven Sisters |
| #8814, aired 2023-02-23 | ASTRONOMY & SPACE $2000: The Herschel, an infrared telescope then the largest sent into space, was launched in 2009 by this Paris-HQed NASA counterpart the European Space Agency |
| #8814, aired 2023-02-23 | ASTRONOMY & SPACE $8,600 (Daily Double): With perihelion on July 28, it will be seen again from Earth in 2061, when all of you are looking back on your youthful hopes Halley's Comet |
| #8800, aired 2023-02-03 | A LITTLE ASTRONOMY $400: Caused by Jupiter's gravity, the Kirkwood gaps are nearly empty areas in the solar system's belt of these the asteroid belt |
| #8800, aired 2023-02-03 | A LITTLE ASTRONOMY $800: Like Earth, Saturn gets this kind of spectacular polar light show, a Latin word for "dawn" an aurora |
| #8800, aired 2023-02-03 | A LITTLE ASTRONOMY $1600: Out at the edge of the solar system, the heliopause is where this stream of plasma from the sun meets interstellar space the solar wind |
| #8800, aired 2023-02-03 | A LITTLE ASTRONOMY $2000: Nothing from inside, not even light, can escape past this, the 2-word term for the boundary around a black hole an event horizon |
| #8800, aired 2023-02-03 | A LITTLE ASTRONOMY $3,000 (Daily Double): This type of astronomy sprang into being thanks to a 1930s investigation into interference with telephone calls radio astronomy |
| #8782, aired 2023-01-10 | ON THE SCIENTIST'S RÉSUMÉ $200: c. 1491-94: Student of astronomy & astrology, U. of Krakow; c. 1515: invited to Fifth Lateran Council to aid calendar reform Copernicus |
| #8735, aired 2022-11-04 | THE TANGLED WEB $1600: NASA's Astronomy
Picture of the Day revealed that this largest moon of Mars may eventually disintegrate; scary indeed Phobos |
| #6, aired 2022-10-30 | OUT OF THIS WORLD $1500: The HST, this space telescope, was placed in orbit around Earth in 1990 & soon revolutionized astronomy the Hubble |
| #8722, aired 2022-10-18 | ASTRONOMY $200: The most numerous type of star in the universe is the red type of this dwarf |
| #8722, aired 2022-10-18 | ASTRONOMY $400: When the Sun is above the Earth's equator & day & night are the same length, one of these is happening an equinox |
| #8722, aired 2022-10-18 | ASTRONOMY $600: The distance from Alpha Centauri to our sun is 4.2 light years or just 1.3 of these; sounds quick! parsecs |
| #8722, aired 2022-10-18 | ASTRONOMY $800: Ask any angel, the galactic this is a starry, spherical region surrounding spiral galaxies a (galactic) halo |
| #8722, aired 2022-10-18 | ASTRONOMY $1000: This long word describes the orbit of a satellite that matches the rotation of the Earth geosynchronous satellites |
| #8661, aired 2022-06-13 | ASTRONOMY $400: Because they orbit between the Earth & Sun, these are known as the 2 "inferior" planets Mercury & Venus |
| #8661, aired 2022-06-13 | ASTRONOMY $800: 65 times the size of the Sun, Canopus, the second-brightest star in the sky, is a yellow-white one of these giant |
| #8661, aired 2022-06-13 | ASTRONOMY $1200: It's the second smallest of the solar system's 8 major planets Mars |
| #8661, aired 2022-06-13 | ASTRONOMY $2000: Astronomers use this, the difference in an object's direction when observed from 2 points, to measure distance parallax |
| #8661, aired 2022-06-13 | ASTRONOMY $6,000 (Daily Double): Blown back by this, a comet's ion tail points almost directly away from the Sun the solar wind |
| #8639, aired 2022-05-12 | 4-SYLLABLE WORDS $2000: This science studies the universe as a whole, bringing together astronomy & physics cosmology |
| #8634, aired 2022-05-05 | ASTRONOMY $400: On this innermost planet, a solar day lasts twice as long as its year & is equal to about 176 earth days Mercury |
| #8634, aired 2022-05-05 | ASTRONOMY $800: The brightest star in the night sky is this binary star in Canis Major Sirius |
| #8634, aired 2022-05-05 | ASTRONOMY $1200: In 2019 Green Bank Observatory found the most massive of this superdense type of star (a teaspoon weighs more than all of humanity) a neutron star |
| #8634, aired 2022-05-05 | ASTRONOMY $1600: Going 1,000 mph, it would take more than 2.8 million years to travel the 4.2-light-year distance to this nearest star system Alpha Centauri |
| #8634, aired 2022-05-05 | ASTRONOMY $2000: This comet with a hyphenated name was broken up by the gravity of Jupiter & fragments of it crashed into the planet in 1994 Shoemaker-Levy 9 |
| #8619, aired 2022-04-14 | GREAT NAMES OF SCIENCE $2000: America's first professional female astronomer, in 1847, she discovered a new comet, & later became Vassar's first professor of astronomy Maria Mitchell |
| #8, aired 2022-02-11 | IN THEIR EXPERT OPINION $400: Martin Luther reportedly said of this contemporary, "this fool wishes to reverse the entire science of astronomy" Copernicus |
| #8554, aired 2022-01-13 | PEOPLE IN HISTORY $800: In 2010 the remains of this "father of modern astronomy" were reburied in Poland with full Catholic honors Copernicus |
| #8433, aired 2021-06-30 | STAR-SPANGLED BANTER $2000: This "2001" scribe wrote, "Astronomy, as nothing else can do, teaches men humility" Clarke |
| #8387, aired 2021-04-27 | CHILDREN OF ZEUS $600: With Mnemosyne, Zeus had 9 daughters, these patrons of devotions like astronomy & poetry the Muses |
| #8267, aired 2020-10-27 | ASTRONOMY $800: Including Portia & Juliet, several moons of this 7th planet were discovered by the Voyager 2 spacecraft in 1986 Uranus |
| #8267, aired 2020-10-27 | ASTRONOMY $3,000 (Daily Double): Aka the swan, this constellation in the northern sky is home to the first black hole discovered Cygnus |
| #8250, aired 2020-10-02 | CLUES FROM A 1965 JEOPARDY! HOME GAME $200: ASTRONOMY: "Only planet not named for Greek or Roman figure" Earth |
| #8229, aired 2020-06-04 | THROWING YOU A CURVE $800: In astronomy, a light curve graphs changes in magnitude of one of these, especially the variable type a star |
| #8167, aired 2020-02-25 | ANTONYMS $1600: In astronomy parlance, it's zenith's diametric opposite nadir |
| #8108, aired 2019-12-04 | HISTORIC NAMES $3,000 (Daily Double): In 1609 he published "New Astronomy", containing his first 2 laws of planetary motion (Johannes) Kepler |
| #8093, aired 2019-11-13 | U.N. INTERNATIONAL YEARS $400: 2009, the International Year of Astronomy, celebrated 400 years of this invention the telescope |
| #8021, aired 2019-06-24 | DEBATE CLUB $600: Astronomy's "Great Debate" of 1920 concerned whether spiral nebulae lie inside or outside this local galaxy the Milky Way |
| #7942, aired 2019-03-05 | MUSES $200: An observatory in Switzerland has the name Urania, the muse of this scientific pursuit astronomy |
| #7925, aired 2019-02-08 | STARGAZERS $800: In 1705 he published "A Synopsis of the Astronomy of Comets" describing the orbits of 24 comets that had been observed (Edmond) Halley |
| #7910, aired 2019-01-18 | IN THE NATO PHONETIC ALPHABET $400: Triangulate this Greek letter used in math, astronomy & geography delta |
| #7836, aired 2018-10-08 | ASTRONOMY $400: (Kelly of the Clue Crew shows Sagittarius on the monitor.) The constellation Sagittarius represents an archer, but its eight brightest stars are often depicted as one of these, with the Milky Way as the steam rising from the spout a teapot |
| #7836, aired 2018-10-08 | ASTRONOMY $800: The first close-up images sent back to Earth from another planet were from a Russian probe on this planet in 1975 Venus |
| #7836, aired 2018-10-08 | ASTRONOMY $1600: The 2 main types of optical telescopes are reflectors & these, which use lenses to magnify objects refractors |
| #7836, aired 2018-10-08 | ASTRONOMY $2000: Undetected until the 1990s, this belt is a zone of space past 30 A.U. & home to objects like dwarf planets & icy centaurs the Kuiper Belt |
| #7836, aired 2018-10-08 | ASTRONOMY $4,000 (Daily Double): This Zodiac constellation has only one bright star, Hamal--Arabic for "sheep" Aries |
| #7735, aired 2018-04-06 | IOU "AE" $1200: In astronomy they include Horsehead & Ring nebulae |
| #7732, aired 2018-04-03 | OPPOSITES $1600: An old brand of television, in astronomy it's the opposite of nadir Zenith |
| #7702, aired 2018-02-20 | ASTRONOMY $200: Discovered in 1930, this body has an estimated diameter of only 1,473 miles Pluto |
| #7702, aired 2018-02-20 | ASTRONOMY $400: Deneb, Albireo, Gienah, Sadr & Rukh in Cygnus form the pattern known as the Northern this the Northern Cross |
| #7702, aired 2018-02-20 | ASTRONOMY $600: China now has the world's largest one of these telescopes; it's basically a dish antenna a third of a mile across a radio telescope |
| #7702, aired 2018-02-20 | ASTRONOMY $800: This spiral galaxy is named for an Ethiopian princess in Greek mythology Andromeda |
| #7702, aired 2018-02-20 | ASTRONOMY $1000: (Sarah of the Clue Crew shows a model of Mars on the monitor.) Mars may have an accessory in 40 million years, as its gravity could break apart this inner & larger moon, whose debris would swirl around the planet & form a ring Phobos |
| #7691, aired 2018-02-05 | JUST ONE CONSONANT $1000: In astronomy terms, it's one billion years eon |
| #7671, aired 2018-01-08 | WOMEN'S FIRSTS $2000: It was the field of Maria Mitchell, the first woman member of the American Academy of Arts & Sciences astronomy |
| #7647, aired 2017-12-05 | 9-LETTER WORDS $1,000 (Daily Double): It's the branch of astronomy that studies the origin & structure of the universe cosmology |
| #7560, aired 2017-06-23 | ASTRONOMY $400: The double star Algieba is in the lion's mane in this constellation Leo |
| #7560, aired 2017-06-23 | ASTRONOMY $800: (Jimmy of the Clue Crew shows an astronomical simulation on the monitor.) If the star Betelgeuse were to explode & change from a red super giant to this next stage at its evolution, our sky could light up for two months straight a supernova |
| #7560, aired 2017-06-23 | ASTRONOMY $1200: A new dwarf planet, 2015 RR245, has been discovered beyond the orbit of this planet, the 4th-largest in diameter Neptune |
| #7560, aired 2017-06-23 | ASTRONOMY $1600: In 2017 news, 7 Earthlike planets orbit Trappist-1 & are bathed in these "colorful" rays with waves longer than crimson infrared |
| #7560, aired 2017-06-23 | ASTRONOMY $2000: This "cloud" of icy objects at the edge of the solar system begins at around 200 billion miles from the sun the Oort Cloud |
| #7383, aired 2016-10-19 | THAT EXPLAINS IT $800: Between 1618 & 1621, he published "The Epitome of Copernican Astronomy" explaining planetary orbits (Johannes) Kepler |
| #7382, aired 2016-10-18 | A DISCOURAGING WORD $2000: Negative altitude in astronomy, or a period of economic woe depression |
| #7359, aired 2016-09-15 | ASTRONOMY $400: On May 31, 2013 a 1.9-mile-wide one of these skimmed by the Earth at a distance of 3.6 million miles an asteroid |
| #7359, aired 2016-09-15 | ASTRONOMY $800: The Sombrero Galaxy is classified by astronomers as this type of galaxy having a pinwheel shape a spiral galaxy |
| #7359, aired 2016-09-15 | ASTRONOMY $1200: A 1990 photo of Earth taken by this space probe prompted Carl Sagan to call planet Earth a "pale blue dot" Voyager 1 |
| #7359, aired 2016-09-15 | ASTRONOMY $1600: These extremely hot eruptions in the Sun's atmosphere can cause communications problems on Earth solar flares |
| #7359, aired 2016-09-15 | ASTRONOMY $2000: The 2 brightest stars in Orion are Betelgeuse in the shoulder & this 5-letter one in his foot Rigel |
| #7319, aired 2016-06-09 | ASTRONOMY $400: (Jimmy of the Clue Crew shows an astronomical animation on the monitor.) Planets become nearly spherical in part because rotation helps round off the edges after dense molten matter is pulled towards the center by this force gravity |
| #7319, aired 2016-06-09 | ASTRONOMY $800: One of the finest meteor showers each year is the one radiating from near Castor & Pollux in Dec. in this constellation Gemini |
| #7319, aired 2016-06-09 | ASTRONOMY $1200: In July 2015, one of these said to contain $5.4 trillion in precious metals passed within 1.5 million miles of earth an asteroid |
| #7319, aired 2016-06-09 | ASTRONOMY $2000: Aldebaran, from the Arabic for "follower", is so named because it follows this cluster of 7 sisters in the sky the Pleiades |
| #7319, aired 2016-06-09 | ASTRONOMY $5,000 (Daily Double): The elevation above the horizon of this star in Ursa Minor is equal to the observer's latitude Polaris |
| #7308, aired 2016-05-25 | ASTRONOMY $400: Craters on this smallest planet are named for giants of the humanities including Bach & Balanchine Mercury |
| #7308, aired 2016-05-25 | ASTRONOMY $800: The Omega Nebula in this "archer" constellation was named for its resemblance to the Greek letter Sagittarius |
| #7308, aired 2016-05-25 | ASTRONOMY $1200: (Sarah of the Clue Crew shows some images on the monitor.) The ancient Polynesians were remarkable navigators; they were probably guided by stars such as Sirius that appeared directly above them at this celestial point, from Arabic for "way over the head" zenith |
| #7308, aired 2016-05-25 | ASTRONOMY $1600: In 2014 images of the surface of this largest Saturnian moon showed the Sun's reflection off its polar seas Titan |
| #7308, aired 2016-05-25 | ASTRONOMY $2000: Dwarf planets lying within this belt at the edge of the Solar System include Haumea & Makemake the Kuiper Belt |
| #7125, aired 2015-07-31 | ON THE "MAIN" LAND $2000: The Sun is near the middle of this section of astronomy's Hertzsprun-Russell diagram the main sequence |
| #7090, aired 2015-06-12 | EASY SCIENCE $1000: A focus of Mayan astronomy was these points when the sun is farthest from the equator the solstices |
| #7048, aired 2015-04-15 | ASTROPHYSICS WITH NEIL deGRASSE TYSON $3,000 (Daily Double): (Dr. Tyson delivers the clue.) I got my undergrad & graduate degrees at other Ivy League schools, but I did have the inspirational privilege of meeting this man who taught astronomy at Cornell for almost 3 decades Carl Sagan |
| #6929, aired 2014-10-30 | ASTRONOMY $400: (Sarah of the Clue Crew shows a photograph on the monitor.) Photographer Thierry Legault traveled to Oman to get a photo of a partial solar eclipse; an added bonus was capturing this craft in the image the International Space Station |
| #6929, aired 2014-10-30 | ASTRONOMY $800: The only permanent feature on a comet is this central part, also part of an atom a nucleus |
| #6929, aired 2014-10-30 | ASTRONOMY $1200: Asteroid 1998 QE2, which buzzed by the Earth in 2013, surprised scientists who discovered it had one of these in tow a moon |
| #6929, aired 2014-10-30 | ASTRONOMY $1600: Our closest galactic neighbors are two little satellite galaxies known as "the Clouds of" him Magellan |
| #6929, aired 2014-10-30 | ASTRONOMY $2000: In 1992 astronomers Luu & Jewitt found the first of these "objects", KBOs for short Kuiper belt objects |
| #6797, aired 2014-03-18 | THE "BLACK"LIST $800: In astronomy a singularity is the center of one of these objects a black hole |
| #6753, aired 2014-01-15 | ASTRONOMY $400: In September 2011 astronomers announced that just like Tatooine, Kepler-16b orbits 2 of these suns (or stars) |
| #6753, aired 2014-01-15 | ASTRONOMY $800: (Kelly of the Clue Crew shows a diagram on the monitor.) The Moon's phase occurring between the first quarter & the full moon is described as gibbous & this, meaning growing, as the illuminated area is increasing a waxing gibbous |
| #6753, aired 2014-01-15 | ASTRONOMY $1200: In 2010 Japan's Hayabusa spacecraft brought back dust samples from Itokawa, one of these objects an asteroid |
| #6753, aired 2014-01-15 | ASTRONOMY $1,500 (Daily Double): This planet's lowest point is Diana Chasma, a 1.8-mile-deep rift valley Venus |
| #6753, aired 2014-01-15 | ASTRONOMY $2000: The comet discovered by Alan Hale & this Arizona astronomer in 1995 was visible to the naked eye for a record 19 months (Thomas) Bopp |
| #6727, aired 2013-12-10 | SCIENTIFIC EUROPEAN $400: In 1705 he published "A Synopsis of the Astronomy of Comets", detailing 24 that had been observed from 1337 to 1698 (Edmond) Halley |
| #6700, aired 2013-11-01 | BIRTH, SCHOOL, WORK, DEATH $400: 1642,
Trinity College,
did some astronomy & math,
1727 Newton |
| #6672, aired 2013-09-24 | ASTRONOMY $400: The 2 horns of this bovine sign of the zodiac are represented by the stars El Nath & Al Hecka Taurus |
| #6672, aired 2013-09-24 | ASTRONOMY $800: In November 2014 a spacecraft named Rosetta is scheduled to orbit the nucleus of 67P, one of these a comet |
| #6672, aired 2013-09-24 | ASTRONOMY $1200: Spock would be proud! This suggestion won a 2013 online poll to name a moon of Pluto Vulcan |
| #6672, aired 2013-09-24 | ASTRONOMY $1600: This gap between Saturn's A & B rings is caused by the gravitational pull of the moon Mimas, which clears it of particles the Cassini division |
| #6672, aired 2013-09-24 | ASTRONOMY $2000: Named for an astronomer, these gleams are formed by sunlight shining through lunar valleys during solar eclipses Baily's beads |
| #6661, aired 2013-07-29 | ASTRONOMY $800: It's the main force that pulls things toward black holes gravity |
| #6661, aired 2013-07-29 | ASTRONOMY $1200: The collection of stars called the M104 one of these is also called the sombrero one, after the hat it resembles galaxy |
| #6607, aired 2013-05-14 | PROFESSORS $400: Professor Asaph Hall, who discovered Deimos & Phobos, taught math & this at Harvard astronomy |
| #6510, aired 2012-12-28 | WHAT DEGREE DID THEY GET? $1600: 1935:
The first college degree of James Van Allen of "belt" fame Bachelor of Sciences |
| #6504, aired 2012-12-20 | OLD McDONALD HAD... $1600: William McDonald had a love for astronomy & left money to found this type of institution named for him in Texas observatory |
| #6458, aired 2012-10-17 | ASTRONOMY $400: On the Moon, Hell, Billy & Julius Caesar are these craters |
| #6458, aired 2012-10-17 | ASTRONOMY $800: The Cassini Division is a dark gap between these structures orbiting the sixth planet the rings (of Saturn) |
| #6458, aired 2012-10-17 | ASTRONOMY $1200: The magnitude of Algol, a binary star, changes every 69 hours as the fainter star does this, passes in front of its pal eclipses |
| #6458, aired 2012-10-17 | ASTRONOMY $2000: (Jimmy of the Clue Crew shows an astronomical animation on the monitor.) Also a term for a part of speech, it's when the Earth, a heavenly body like Venus, & the Sun are all nearly in a straight line conjunction |
| #6458, aired 2012-10-17 | ASTRONOMY $4,000 (Daily Double): In March 1930 its discovery was announced at Lowell Observatory in Arizona Pluto |
| #6347, aired 2012-04-03 | NEW YORK MUSEUMS $2000: This planetarium at the American Museum of Natural History has a 10,000-volume library on astronomy the Hayden Planetarium |
| #6325, aired 2012-03-02 | ASTRONOMY $200: Dust released by this comet causes the Orionids meteor shower each October Halley's Comet |
| #6325, aired 2012-03-02 | ASTRONOMY $400: In 2005, 2 additional moons, Hydra & Nix, were discovered orbiting this dwarf planet Pluto |
| #6325, aired 2012-03-02 | ASTRONOMY $800: Calliope, one of these objects orbiting between Jupiter & Mars, has its own satellite named Linus an asteroid |
| #6325, aired 2012-03-02 | ASTRONOMY $1,000 (Daily Double): The 2 shortest-named constellations each have 3 letters: Ara & this one in the zodiac Leo |
| #6325, aired 2012-03-02 | ASTRONOMY $1000: John Archibald Wheeler popularized this term for an object so dense that not even light can escape a black hole |
| #6141, aired 2011-05-02 | JACKS OF ALL TRADES $600: Jack Horkheimer, who passed away in 2010, was the longtime host of PBS' "Star Gazer", devoted to naked-eye this astronomy |
| #6101, aired 2011-03-07 | ASTRONOMY $200: It orbits the sun at an average distance of .3871 astronomical units, the lowest average of all the planets Mercury |
| #6101, aired 2011-03-07 | ASTRONOMY $400: Though bright in the night sky, it has a clouded surface, so the image here was made of a mosaic of radar images Venus |
| #6101, aired 2011-03-07 | ASTRONOMY $600: (Kelly of the Clue Crew shows an astronomical photograph on the monitor.) Voyager II captured a photo of the storm called the Great Dark Spot on this ice giant; the clouds are believed to be condensed methane particles Neptune |
| #6101, aired 2011-03-07 | ASTRONOMY $800: (Jimmy of the Clue Crew shows an astronomical photograph on the monitor.) In an infrared picture, Jupiter's bright spot is the moon Io; the smaller dots show impacts from when this comet broke up & hit the planet in 1994 Shoemaker-Levy |
| #6101, aired 2011-03-07 | ASTRONOMY $1000: (Kelly of the Clue Crew shows an astronomical diagram on the monitor.) Created by millions of years of eruptions, this now-extinct Martian shield volcano is the tallest mountain in our solar system Olympus Mons |
| #6028, aired 2010-11-24 | ISLAMIC CULTURE $1200: (Sarah of the Clue Crew presents the clue from the Mayer Museum in Israel.) Astronomy was just one area in which the Islamic world made great strides with devices like these navigational instruments with the same root as the word "astronomy" the astrolabe |
| #6025, aired 2010-11-19 | REAL MEN OF SCIENCE $1600: With his book & TV show named this, Carl Sagan popularized astronomy for bil--thousands, at least Cosmos |
| #6017, aired 2010-11-09 | THE MUSES $800: Urania, the muse of this science, is sometimes shown wearing a cloak embroidered with stars astronomy |
| #5992, aired 2010-10-05 | ASTRONOMY $400: In 1996 this space telescope returned the first-ever images of Pluto's surface the Hubble |
| #5992, aired 2010-10-05 | ASTRONOMY $800: Each November debris from Comet Temple-Tuttle produces a meteor shower that streams across this lion Leo |
| #5992, aired 2010-10-05 | ASTRONOMY $1200: (Sarah of the Clue Crew shows a diagram of the Sun and Earth on the monitor.) On the sunward side of the Earth, these bands are compressed by solar winds; on the other side they can stretch farther the Van Allen belts |
| #5992, aired 2010-10-05 | ASTRONOMY $1600: This largest moon of Neptune has active volcanoes that spew crystals of nitrogen as high as 6 miles above the surface Triton |
| #5992, aired 2010-10-05 | ASTRONOMY $2000: Pumping out energy, quasars are one type of object described as the active nuclei of these vast structures galaxies |
| #5952, aired 2010-06-29 | ARCHITECTS $1600: In 1657 he was appointed professor of astronomy at London's Gresham College Christopher Wren |
| #5930, aired 2010-05-28 | ASTRONOMY $200: A crossing of the celestial equator by the sun, it happens twice a year an equinox |
| #5930, aired 2010-05-28 | ASTRONOMY $400: These long distance travelers may be dirty ice balls or icy dirt balls comets |
| #5930, aired 2010-05-28 | ASTRONOMY $600: Undetected murky stuff in the universe presumed to exist because of its gravitational effects dark matter |
| #5912, aired 2010-05-04 | ASTRONOMY & ASTROLOGY $200: The International Astronomical Union said in 2006 that this object was really part of the Kuiper Belt, not a true planet Pluto |
| #5912, aired 2010-05-04 | ASTRONOMY & ASTROLOGY $400: Astrologically, houses that lie in the west are called occidental; houses that lie in the east, this oriental |
| #5912, aired 2010-05-04 | ASTRONOMY & ASTROLOGY $600: This second-largest planet takes almost 30 years for one solar revolution Saturn |
| #5912, aired 2010-05-04 | ASTRONOMY & ASTROLOGY $800: The mute signs, so called because they represent silent creatures, are Cancer, Scorpio & this water sign Pisces |
| #5912, aired 2010-05-04 | ASTRONOMY & ASTROLOGY $1000: Your zodiac sign, as in "Hey baby, what's your sign?" is also called your this heavenly body sign a sun sign |
| #5896, aired 2010-04-12 | SCIENCE CENTER $800: In astronomy the barycenter is the center of mass of 2 bodies, usually one doing this in relation to the other revolving around (or orbiting) |
| #5838, aired 2010-01-20 | HR $1000: Hertzsprung-Russell, or HR, diagrams are used in, & named for 2 men in, this scientific field astronomy |
| #5753, aired 2009-09-23 | HEART & SOUL $800: Around 375 B.C. in "The Republic", he opined that "astronomy compels the soul to look upwards" Plato |
| #5751, aired 2009-09-21 | ASTRONOMY $200: During the course of 5 spacewalks in May 2009, Shuttle astronauts made repairs to this & installed 2 new instruments the Hubble Telescope |
| #5751, aired 2009-09-21 | ASTRONOMY $400: In 1980 the Voyager spacecraft found that this planet's B ring had radial features called spokes Saturn |
| #5751, aired 2009-09-21 | ASTRONOMY $600: This constellation is the site of 2 nebulae: the Great Nebula in its sword & the Horsehead Nebula in its belt Orion |
| #5751, aired 2009-09-21 | ASTRONOMY $1,000 (Daily Double): In 1672 Giovanni Cassini & Jean Richer calculated the distance between these 2 objects as 87 million miles the Sun and the Earth |
| #5751, aired 2009-09-21 | ASTRONOMY $1000: The 200-inch mirror of the Hale Telescope on this California peak took some 10 months to cool after casting Mt. Palomar |
| #5691, aired 2009-05-11 | TECH TALK $1200: Astronomy using these, discovered in the 1890s, has to be done from space as these can't penetrate our atmosphere X-rays |
| #5612, aired 2009-01-20 | ASTRONOMY $400: Proposed in the 19th century, Olbers' Paradox questions why light from these doesn't illuminate the night sky stars |
| #5612, aired 2009-01-20 | ASTRONOMY $800: This heavenly body shares its name with a liquid, & in 2007 scientists discovered that it has a liquid core Mercury |
| #5612, aired 2009-01-20 | ASTRONOMY $1200: (Hi, I'm astrophysicist Neil deGrasse Tyson.) The entire universe acts in many ways like a gas in a laboratory, so we conclude that as the universe expands, this will drop continuously as it approaches absolute zero temperature |
| #5612, aired 2009-01-20 | ASTRONOMY $1600: A coma is found around the head of one of these, which also takes its name from the Greek for "hair" a comet |
| #5604, aired 2009-01-08 | THIS JUST IN $400: Calling all stargazers: 2009 is the International Year of this science Astronomy |
| #5484, aired 2008-06-12 | SPACE SCIENCE $800: There are billions & billions of ways to know this "Contact" man was a professor of astronomy & space science at Cornell Carl Sagan |
| #5442, aired 2008-04-15 | ASTRONOMY $400: Collective name for the 12 constellations that form the backdrop to the sun's apparent path zodiac |
| #5442, aired 2008-04-15 | ASTRONOMY $800: (I'm astrophysicist Neil deGrasse Tyson.) Some with billions, others with trillions of stars, these are the fundamental building blocks of visible matter in the universe; they come in many varieties including spiral, irregular & elliptical galaxies |
| #5442, aired 2008-04-15 | ASTRONOMY $1200: Visible with binoculars (but less so in the planet's summer), they're the easiest Martian surface features to see the polar ice caps |
| #5442, aired 2008-04-15 | ASTRONOMY $1600: Fewer people on Earth get to see it than the aurora borealis, but it looks pretty cool from space aurora australis (the southern lights) |
| #5442, aired 2008-04-15 | ASTRONOMY $3,000 (Daily Double): This moon that orbits Uranus in 18 hrs. was named for a Shakespeare character who can circle the Earth in 40 min. Puck |
| #5351, aired 2007-12-10 | CIRCUS SCIENCE $1200: (Jimmy of the Clue Crew watches a juggler pracice with clubs at Circus Center in San Francisco, CA.) It's time to throw the next club when the previous club reaches this point, also an astronomy term for the greatest distance from Earth apogee |
| #5342, aired 2007-11-27 | ASTRONOMY $400: In 1979 these were discovered around Jupiter; Saturn has them too rings |
| #5342, aired 2007-11-27 | ASTRONOMY $800: A list of this planet's moons, including Oberon & Titania, reads like a who's who of Shakespeare Uranus |
| #5342, aired 2007-11-27 | ASTRONOMY $1200: From the way the arms of the galaxy sweep around, the Milky Way, seen here, is classified as this type of galaxy a spiral galaxy |
| #5342, aired 2007-11-27 | ASTRONOMY $1600: These "quasi-stellar radio sources" are among the brightest & most distant objects in the universe quasars |
| #5342, aired 2007-11-27 | ASTRONOMY $2,000 (Daily Double): In mid-November, you can have a "roaring" good time watching this meteor shower the Leonids |
| #5341, aired 2007-11-26 | YOU PICKED A FINE TIME $2000: This longest division of geologic time doesn't have a fixed period; in astronomy, it's one billion years an eon |
| #5338, aired 2007-11-21 | ASTRONOMY $400: To Northern observers, the most brilliant part of the Milky Way is found in "the Archer", this constellation Sagittarius |
| #5338, aired 2007-11-21 | ASTRONOMY $800: With the demotion of Pluto, it's now the smallest, least massive planet Mercury |
| #5338, aired 2007-11-21 | ASTRONOMY $1200: This solid center of a comet is usually around 10 miles or less in diameter & consists of ice & dust particles the nucleus (or core) |
| #5338, aired 2007-11-21 | ASTRONOMY $1600: This "Critique of Pure Reason" author called some fuzzy objects "island universes" in 1775; he was right Immanuel Kant |
| #5338, aired 2007-11-21 | ASTRONOMY $2000: The constellation Coma Berenices, or "Berenice's Hair", was given its exact form by this Dane in the 1500s (Tycho) Brahe |
| #5300, aired 2007-09-28 | -OLOGIES $400: The branch of astronomy that deals with the structure & evolution of the universe cosmology |
| #5258, aired 2007-06-20 | PTOLEMY...WHY NOT TAKE PTOLEMY? $800: Ptolemy's system of astronomy held up until 1543, when this Polish astronomer went heliocentric Copernicus |
| #5237, aired 2007-05-22 | SIGNS & SYMBOLS $1200: (Cheryl of the Clue Crew gives the clue.) A symbol that is familiar from its use in biology is also used in astronomy to represent this planet Venus |
| #5183, aired 2007-03-07 | THE GREEK ALPHABET $400: In astronomy, this letter typically designates the brightest star in a constellation alpha |
| #5122, aired 2006-12-12 | WORDS IN SCIENCE $800: In astronomy, Ptolemy's geocentric model gave way to the Copernican one described by this adjective heliocentric |
| #5116, aired 2006-12-04 | ASTRONOMY $400: These objects, aka minor planets, range in size from about 20 feet in diameter to around 485 miles in diameter asteroids |
| #5116, aired 2006-12-04 | ASTRONOMY $800: These 2 elements make up over 98% of the sun's chemical composition hydrogen and helium |
| #5116, aired 2006-12-04 | ASTRONOMY $1200: Seen mostly in the Southern Hemisphere, Crux, the smallest constellation, is also known by this name the Southern Cross |
| #5116, aired 2006-12-04 | ASTRONOMY $1600: Named for an astronomer, this dark "division" that separates Saturn's A & B rings is 2,920 miles wide Cassini Division |
| #5116, aired 2006-12-04 | ASTRONOMY $2000: Known for his "beads", he created the Royal Astronomical Society's Star Catalog in the 1820s Francis Baily |
| #5073, aired 2006-10-04 | -OLOGIES $400: In astronomy telescopes see stars; in this -ology, horoscopes predict stars' effects astrology |
| #4985, aired 2006-04-21 | ASTRONOMY ADD A LETTER $200: Add this letter to Earth & you get a scarcity D (dearth) |
| #4985, aired 2006-04-21 | ASTRONOMY ADD A LETTER $400: Add this letter to Mars & you get a fen H (marsh) |
| #4985, aired 2006-04-21 | ASTRONOMY ADD A LETTER $600: Add this letter to Saturn's moon Titan & you get a Renaissance guy who liked to paint Venus I (Titian) |
| #4985, aired 2006-04-21 | ASTRONOMY ADD A LETTER $800: Add this letter to Jupiter's moon Io & you get an acronym that's a ground-floor stock offer for regular guys P (IPO) |
| #4985, aired 2006-04-21 | ASTRONOMY ADD A LETTER $1000: Add this letter to star & get something harsh or grim K (stark) |
| #4956, aired 2006-03-13 | SCIENCE $1000: In astronomy, this unit of measure is abbreviated pc parsec |
| #4943, aired 2006-02-22 | OUT WEST $800: This 2nd largest Arizona city is called "The Astronomy Capital of the World" due to the many telescopes located nearby Tucson |
| #4795, aired 2005-06-10 | 10-, 11- & 12-LETTER WORDS $600: (Cheryl of the Clue Crew reports from Chicago's Adler Astronomy Museum.) Built in 1913, the Atwood Sphere is an early one of these, which created a night sky using points of light instead of a projector a planetarium |
| #4767, aired 2005-05-03 | THE "METH"OD $1000: In mythology, the husband of Pandora & brother of Prometheus; in astronomy, a moon of Saturn Epimetheus |
| #4718, aired 2005-02-23 | ASTRONOMY $200: This totally darkened phase of the Moon occurs when the Moon is between the Sun & the Earth the New Moon |
| #4718, aired 2005-02-23 | ASTRONOMY $400: In August 1609 he demonstrated his newly constructed telescope to the Senate of Venice, who then doubled his salary Galileo |
| #4718, aired 2005-02-23 | ASTRONOMY $600: When "shadow bands" are seen on Earth, it means this is about to happen up in the heavens an eclipse |
| #4718, aired 2005-02-23 | ASTRONOMY $800: In ancient times, this star rose at dawn during the hottest time of summer, thus the "dog days of summer" Sirius (or Alpha Canis Majoris) |
| #4718, aired 2005-02-23 | ASTRONOMY $1000: (Sarah of the Clue Crew reports from beside a replica rover at the Adler Planetarium in Chicago, IL.) This is a replica of both the Mars exploration rover Spirit & this companion, who came knocking in January 2004 Opportunity |
| #4716, aired 2005-02-21 | "C.S.", I $800: Before becoming TV's "Science Guy", Bill Nye studied astronomy with him at Cornell Carl Sagan |
| #4684, aired 2005-01-06 | NOW THAT'S INVENTIVE! $400: For astronomy, not hunting, William Gascoigne created the telescopic site with these strands crosshairs |
| #4681, aired 2005-01-03 | LET'S GET IT "ON"! $400: In astronomy, one billion years eon |
| #4659, aired 2004-12-02 | BEN FRANKLIN $800: Among Franklin's science and astronomy instruments is an orrery, an early model of this system the solar system |
| #4653, aired 2004-11-24 | ASTRONOMY $400: This planet closest to the sun features a crater, the Caloris basin, which is about the size of Texas Mercury |
| #4653, aired 2004-11-24 | ASTRONOMY $800: Triton, this planet's largest satellite, has a surface temperature of about -390 degrees F. Neptune |
| #4653, aired 2004-11-24 | ASTRONOMY $1200: Jupiter's feature called this is really a windstorm raging at around 250 mph & large enough to cover 2 Earths the Great Red Spot |
| #4653, aired 2004-11-24 | ASTRONOMY $1600: Meteors, also known as shooting stars, may be debris left by these icy bodies traveling around the sun comets |
| #4653, aired 2004-11-24 | ASTRONOMY $2000: Part of this astronomer's "belt" theory says small chunks of matter are the building blocks of planets Gerard Kuiper |
| #4600, aired 2004-09-10 | ASTRONOMY $400: In 1672 Giovanni Cassini determined the distance from the Earth to this, creating a new measuring unit, the Au the sun |
| #4600, aired 2004-09-10 | ASTRONOMY $800: In 1679 Danish astronomer Ole Romer was the first to figure out the speed of this light |
| #4600, aired 2004-09-10 | ASTRONOMY $1200: Term for the astronomical event that heralds the beginning of summer the solstice |
| #4600, aired 2004-09-10 | ASTRONOMY $2000: A large crater on Saturn’s moon Mimas is named for the British astronomer who discovered the moon in 1789 William Herschel |
| #4600, aired 2004-09-10 | ASTRONOMY $5,200 (Daily Double): To an astronomer UMa is an abbreviation for this constellation Ursa Major |
| #4536, aired 2004-05-03 | ASTRONOMY $400: A galactic cluster known as the Pleiades is in this constellation known as "The Bull" Taurus |
| #4536, aired 2004-05-03 | ASTRONOMY $800: In 1610 Galileo became the first to find other moons when he saw moons orbiting this giant planet Jupiter |
| #4536, aired 2004-05-03 | ASTRONOMY $1200: In 1705 this English astronomer predicted the 1758 return of the comet now named for him Edmond Halley |
| #4536, aired 2004-05-03 | ASTRONOMY $2,000 (Daily Double): In 1905 Percival Lowell began a search for this planet, which was discovered in 1930, 14 years after his death Pluto |
| #4536, aired 2004-05-03 | ASTRONOMY $2000: Around 2700 B.C. Thuban was the North Star; today, this is the North Star Polaris |
| #4509, aired 2004-03-25 | NOTABLE WOMEN $600: Reaching for the stars, in 1865 Maria Mitchell became Vassar's first professor of this science astronomy |
| #4416, aired 2003-11-17 | ASTRONOMY & SPACE $200: First seen in 1995, Hale-Bopp, a famous one of these, should be back in another 2-3,000 years a comet |
| #4416, aired 2003-11-17 | ASTRONOMY & SPACE $400: In 2003 there will be 4 of these: 1 total solar, 1 annular & 2 total lunar eclipses |
| #4416, aired 2003-11-17 | ASTRONOMY & SPACE $600: The Crab Nebula is the remnants of a "super" one of these, observed & recorded in 1054 a nova |
| #4416, aired 2003-11-17 | ASTRONOMY & SPACE $800: This first American in space later became the fifth man on the moon Alan Shepard |
| #4416, aired 2003-11-17 | ASTRONOMY & SPACE $1000: The ISS for short, it's considered the largest cooperative scientific project in history the International Space Station |
| #4327, aired 2003-05-27 | ASTRONOMY'S GREATEST HITS $200: In 1995, 2 Swiss astronomers announced the first known one of these to orbit a star other than the sun planet |
| #4327, aired 2003-05-27 | ASTRONOMY'S GREATEST HITS $400: In 1979 Voyager 1 discovered that this large body has rings, just like Saturn & Uranus Jupiter |
| #4327, aired 2003-05-27 | ASTRONOMY'S GREATEST HITS $600: Around 240 B.C. Chinese astronomers observed this, later named for a British astronomer Halley's Comet |
| #4327, aired 2003-05-27 | ASTRONOMY'S GREATEST HITS $800: In 585 B.C. Thales of Miletus accurately predicted one of these astronomical events solar eclipse |
| #4327, aired 2003-05-27 | ASTRONOMY'S GREATEST HITS $1000: In 1801 Giuseppe Piazzi discovered the first known one of these heavenly objects & dubbed it Ceres asteroid |
| #4279, aired 2003-03-20 | EDUCATION $800: In 1971 he became professor of astronomy & space sciences at Cornell, a post he retained until his death in 1996 (Carl) Sagan |
| #4257, aired 2003-02-18 | A MUSE ME $400: Look! Up in the sky! It's a bird! It's a plane! No, it's Urania, muse of this science! astronomy |
| #4111, aired 2002-06-17 | SPACED OUT $400: For a great view of Mars, astronomy.com suggests using a Wratten no. 25 filter in this appropriate color red |
| #4095, aired 2002-05-24 | ASTRONOMERS $1000: In 1959 Martin Ryle, whose work led to quasars' discovery, became professor of this type of astronomy at Cambridge radio astronomer |
| #4073, aired 2002-04-24 | "COP"ING $1600: In 1491 he entered the University of Krakow, where he became interested in the study of astronomy Copernicus |
| #4038, aired 2002-03-06 | "AZ" I WAS SAYING... $2000: In astronomy, it's the angular horizontal distance, clockwise, from due south the Azimuth |
| #3958, aired 2001-11-14 | Astronomy.com $100: Astronomy.com reminds you when to look for these events in the sky, like the Perseid ones around Aug. 11 & 12 meteor showers |
| #3958, aired 2001-11-14 | Astronomy.com $200: In the "Astro for Kids" section, click on images of your favorite planets; the one seen here symbolizes this planet Venus |
| #3958, aired 2001-11-14 | Astronomy.com $300: Astroshopping? Check out the image stabilization type of these (opera glasses are a lower-tech type) binoculars |
| #3958, aired 2001-11-14 | Astronomy.com $400: The "Fun Facts" told us how this Spanish surrealist artist thought he got messages from outer space thru his mustache Dalí |
| #3958, aired 2001-11-14 | Astronomy.com $500: Learn all about these objects, whose name comes from the Latin for "mist"; the Eagle one is see here a nebula |
| #3944, aired 2001-10-25 | AMERICAN RHODES SCHOLARS $800: He wasn't focused properly when he studied law at Oxford; astronomy was his calling & a space telescope was named for him (Edwin) Hubble |
| #3860, aired 2001-05-18 | ASTRONOMY $100: Its "A" ring is a little over 9,000 miles wide Saturn |
| #3860, aired 2001-05-18 | ASTRONOMY $200: Its perigee, the closest it can come to Earth, is 221,456 miles The moon |
| #3860, aired 2001-05-18 | ASTRONOMY $300: The lowest point on this heavenly body is the Diana Chasma, a rift valley Venus |
| #3860, aired 2001-05-18 | ASTRONOMY $400: The Chandra Orbiting Telescope takes this kind of photo; hey, maybe we can see Pluto in its underwear! X-ray |
| #3860, aired 2001-05-18 | ASTRONOMY $500: In 1986 astronomers found a massive one of these at the center of the Milky Way galaxy Black hole |
| #3847, aired 2001-05-01 | SPACED OUT $300: This 16th century Polish church administrator seen here had a fundamental impact on astronomy Nicolaus Copernicus |
| #3816, aired 2001-03-19 | ASTRONOMY $200: The Bayeux Tapestry depicted an early sighting of a comet later given this name Halley's Comet |
| #3816, aired 2001-03-19 | ASTRONOMY $400: It's the brightest star in the constellation Ursa Minor North Star/Polaris |
| #3816, aired 2001-03-19 | ASTRONOMY $600: Among the most distant of these, the Trojan Group actually travels in the same orbit as Jupiter Asteroids |
| #3816, aired 2001-03-19 | ASTRONOMY $800: From 1979 to 1999 it was the planet in our solar system farthest from the sun Neptune |
| #3816, aired 2001-03-19 | ASTRONOMY $1000: Black holes are thought to "power" these remote objects named for their resemblance to stars Quasars |
| #3672, aired 2000-07-18 | SCIENTISTS $200: In 1705 he published "A Synopsis of the Astronomy of Comets" Edmond Halley |
| #3624, aired 2000-05-11 | ASTRONOMY $200: At 88 days, it has the shortest orbital period of the planets Mercury |
| #3624, aired 2000-05-11 | ASTRONOMY $600: Also called The Dog Star, it's the brightest star in the night sky Sirius |
| #3624, aired 2000-05-11 | ASTRONOMY $800: The names of Deneb, Rigel & Betelgeuse came from this language Arabic |
| #3624, aired 2000-05-11 | ASTRONOMY $1000: The diameter of this satellite of Pluto is just over half that of Pluto Charon |
| #3624, aired 2000-05-11 | ASTRONOMY $3,000 (Daily Double): It's the constellation that contains the stars Castor & Pollux Gemini (the Twins) |
| #3530, aired 1999-12-31 | ASTRONOMY $100: On Valentine's Day 2000, the Near spacecraft is due to begin orbiting this asteroid named for the Greek god of love Eros |
| #3530, aired 1999-12-31 | ASTRONOMY $200: One of the more impressive meteor showers comes in December from this constellation of the twins Gemini |
| #3530, aired 1999-12-31 | ASTRONOMY $300: In 1994 fragments of Shoemaker-Levy 9 struck this planet, creating a plume over 1,000 miles high Jupiter |
| #3530, aired 1999-12-31 | ASTRONOMY $400: The solar observatory at Kitt Peak in this Southwestern state focuses on spectroscopy Arizona |
| #3530, aired 1999-12-31 | ASTRONOMY $500: According to one of this German's laws of motion, planets travel faster when they are closer to the sun Johannes Kepler |
| #3453, aired 1999-09-15 | ASTRONOMY $100: All the stars you can see with the naked eye are part of this galaxy Milky Way |
| #3453, aired 1999-09-15 | ASTRONOMY $200: A camera orbiting this planet in March 1999 snapped a crater that resembles a "happy face" Mars |
| #3453, aired 1999-09-15 | ASTRONOMY $300: In an emergency repair mission scheduled for October 1999 NASA will replace all of the gyros in this telescope Hubble Space Telescope |
| #3453, aired 1999-09-15 | ASTRONOMY $400: Sky and Telescope magazine erred 53 years ago; it's the fourth full moon in a season, not the second in a month Blue moon |
| #3453, aired 1999-09-15 | ASTRONOMY $500 (Daily Double): In 1967 what were called "Schwarzschild Singularities" were renamed this Black holes |
| #3412, aired 1999-06-08 | SPACE $500: Your "flare" for astronomy will help you name this solar feature that lasts longer than a solar flare solar prominence |
| #3380, aired 1999-04-23 | ASTRONOMY $200: On February 11, 1999 it again became the farthest planet from the sun & will remain so for 248 years Pluto |
| #3380, aired 1999-04-23 | ASTRONOMY $400: Alnilam, Alnitak & Mintaka are the 3 stars of this constellation's belt Orion |
| #3380, aired 1999-04-23 | ASTRONOMY $800: In 1937 in Wheaton, Illinois, Grote Reber built the first one of these telescopes using a parabolic dish a radio telescope |
| #3380, aired 1999-04-23 | ASTRONOMY $1000: This Alexandrian astronomer discusses eclipses in book VI of his 2nd century work "Almagest" Ptolemy |
| #3380, aired 1999-04-23 | ASTRONOMY $1,512 (Daily Double): Among these objects, Encke's has an orbital period of 3.3 years; Tago-Sato-Kosaka, 420,000 years comets |
| #3355, aired 1999-03-19 | FROM A TO Y $800: Info on the aurora australis & eclipses are included in this section of the World Almanac astronomy |
| #3278, aired 1998-12-02 | HISTORIC NAMES $600: This Dane was a law student in 1560 when a solar eclipse sparked his interest in astronomy Tycho Brahe |
| #3272, aired 1998-11-24 | AFRICANS $200: The Dogon supposedly have remarkable knowledge in this field, including the existence of Sirius B Astronomy |
| #3211, aired 1998-07-13 | ASTRONOMY $200: Event seen here:
(moon blocking sun) Solar eclipse |
| #3211, aired 1998-07-13 | ASTRONOMY $400: The acronym SETI stands for the Search for this Extraterrestrial Intelligence |
| #3211, aired 1998-07-13 | ASTRONOMY $600: It was the first planet discovered with a telescope Uranus |
| #3211, aired 1998-07-13 | ASTRONOMY $1000: After Earth, it's the planet whose day is closest to 24 hours long Mars |
| #3211, aired 1998-07-13 | ASTRONOMY $3,000 (Daily Double): This closest galaxy to our own is named for an Ethiopian princess in Greek myth Andromeda |
| #3192, aired 1998-06-16 | CHAIRS $500: From 1594 to 1600 Johannes Kepler held the chair of this & mathematics at the University of Graz Astronomy |
| #3180, aired 1998-05-29 | AT GREAT LENGTHS $1,000 (Daily Double): This distance used in astronomy is abbreviated pc & is equal to 19.2 trillion miles a parsec |
| #3149, aired 1998-04-16 | ASTRONOMY $200: The Crab Nebula, first observed in 1054 A.D., can be found in this constellation, & that's no bull Taurus |
| #3149, aired 1998-04-16 | ASTRONOMY $400: The Milky Way is classified as this type of galaxy, due to its coiled arms, not a staircase a spiral |
| #3149, aired 1998-04-16 | ASTRONOMY $600: Until 1974, the 200-inch Hale Telescope on this California mountain was the world's largest reflector Mt. Palomar |
| #3149, aired 1998-04-16 | ASTRONOMY $800: This Italian spent his last 8 years under house arrest for teaching... shh! the Earth goes around the sun! Galileo |
| #3149, aired 1998-04-16 | ASTRONOMY $1000: By the time this flow of gasses from the sun reaches Earth, its speed may be 1-2 million mph; what a blowhard! solar wind |
| #3113, aired 1998-02-25 | COMMON BONDS $500: Purpose of the structures seen here: [1] [2] [3] astronomy (or observatories) |
| #3107, aired 1998-02-17 | U.S. CAPITALS OF THE WORLD $500: Many telescopes around this 2nd-largest Ariz. city make it the "Astronomy Capital Of The World" Tucson |
| #3067, aired 1997-12-23 | ASTRONOMY $100: 2 stars in the bowl of the Big Dipper, called The Pointers, point to this star the North Star |
| #3067, aired 1997-12-23 | ASTRONOMY $200: Some scientists say thousands of these, known as "dirty snowballs", strike our atmosphere every day comets |
| #3067, aired 1997-12-23 | ASTRONOMY $300: Unlike the spiral type, like ours, the elliptical type of this system has little gas & rather dim stars a galaxy |
| #3067, aired 1997-12-23 | ASTRONOMY $400: Most of these minor planets revolve around the sun in a "belt" between the orbits of Mars & Jupiter asteroids |
| #3067, aired 1997-12-23 | ASTRONOMY $500: Titan is the largest moon of this planet; Calypso & Telesto are among the smallest Saturn |
| #3037, aired 1997-11-11 | ASTRONOMY $200: Latin for "hairy star", recent ones have included Hyakutake & Shoemaker-Levy Comets |
| #3037, aired 1997-11-11 | ASTRONOMY $400: Predicted as early as 1784, this body is so dense that light can't escape its gravitational pull Black hole |
| #3037, aired 1997-11-11 | ASTRONOMY $800: The closest star to our solar system lies in this southern constellation Centaurus |
| #3037, aired 1997-11-11 | ASTRONOMY $1000: In 1979 Voyagers 1 & 2 transmitted detailed photos of Io, Ganymede, Europa & Callisto -- moons of this planet Jupiter |
| #3037, aired 1997-11-11 | ASTRONOMY $2,000 (Daily Double): Constellation seen here: Scorpio |
| #2977, aired 1997-07-08 | ASTRONOMY & SPACE $100: Though it's currently Polaris, Vega will become this directional star around 14,000 A.D. the North Star (or the Pole Star) |
| #2977, aired 1997-07-08 | ASTRONOMY & SPACE $200: In 1996 one of these minor planets the size of Pikes Peak was named for newsman Walter Cronkite an asteroid |
| #2977, aired 1997-07-08 | ASTRONOMY & SPACE $300: America's first weather satellite, its name stood for Television & Infrared Observation Satellite TIROS |
| #2977, aired 1997-07-08 | ASTRONOMY & SPACE $400: Corvus, a small constellation south of Virgo, is said to represent this black bird the crow |
| #2977, aired 1997-07-08 | ASTRONOMY & SPACE $500: In 1973 Alan Bean spent nearly 2 months aboard this U.S. space station Skylab |
| #2969, aired 1997-06-26 | ASTRONOMY $200: This innermost planet goes through apparent changes, or phases, just like our moon Mercury |
| #2969, aired 1997-06-26 | ASTRONOMY $400: Pathfinder is scheduled to land on this planet July 4, 1997 & dispatch a rover named Sojourner Mars |
| #2969, aired 1997-06-26 | ASTRONOMY $600: Oh my darling! It was announced in December 1996 that this space probe may have found ice on the moon Clementine |
| #2969, aired 1997-06-26 | ASTRONOMY $800: This cluster known as the "Seven Sisters" actually has over 300 stars within a 30 light year diameter Pleiades |
| #2969, aired 1997-06-26 | ASTRONOMY $1000: Some stars end as these, denser than a white dwarf & with a diameter of about 12 miles Neutron stars/pulsars |
| #2934, aired 1997-05-08 | ASTRONOMY $200: Astronomers divide the sky into 88 of these star groups constellations |
| #2934, aired 1997-05-08 | ASTRONOMY $400: In 1705 he announced that the comets of 1531, 1607, & 1682 were the same comet Edmond Halley |
| #2934, aired 1997-05-08 | ASTRONOMY $600: At about 600 miles in diameter, Ceres is the largest first discovered of these minor planets asteroids |
| #2934, aired 1997-05-08 | ASTRONOMY $800: A galactic cloud of dust & gas, its name comes from the Latin for "cloud" nebula |
| #2934, aired 1997-05-08 | ASTRONOMY $1000: In the "Almagest", this 2nd century Greek astronomer suggested the Earth was the center of the universe Ptolemy |
| #2913, aired 1997-04-09 | THE "U"SUAL PLACES $600: Thermometer scale inventor Anders Celsius was a professor of astronomy at this Swedish city's university Uppsala |
| #2904, aired 1997-03-27 | ASTRONOMY $200: Representing a crab, it's the faintest of all the Zodiac's constellations Cancer |
| #2904, aired 1997-03-27 | ASTRONOMY $400: Hubble studies indicate that these star systems, like the Milky Way, may total 50 billion Galaxies |
| #2904, aired 1997-03-27 | ASTRONOMY $600: Tycho, one of these on the moon, can be seen without a telescope Crater |
| #2904, aired 1997-03-27 | ASTRONOMY $800: One of these discovered by Giovanni Donati in 1858 has a tail about 45 million miles long Comet |
| #2904, aired 1997-03-27 | ASTRONOMY $1000: Deneb, a star of the first magnitude, marks the tail of the swan in this constellation Cygnus |
| #2896, aired 1997-03-17 | MISC. $600: Uranology is an old term for this science astronomy |
| #2886, aired 1997-03-03 | ASTRONOMY $200: In 1986 it was discovered that this comet's nucleus was about 9 miles long & about 5 miles across Halley's Comet |
| #2886, aired 1997-03-03 | ASTRONOMY $400: It's the completely darkened phase of the moon New Moon |
| #2886, aired 1997-03-03 | ASTRONOMY $600: In the early 17th century this German discovered that the planets orbit the sun in ellipses Johannes Kepler |
| #2886, aired 1997-03-03 | ASTRONOMY $800: A line drawn from Merak to Dubhe in this constellation points to Polaris, the North Star Ursa Major |
| #2886, aired 1997-03-03 | ASTRONOMY $1000: At -235 degrees C. the surface of this planet's moon Triton is the coldest known place in the Solar System Neptune |
| #2870, aired 1997-02-07 | ASTRONOMY & SPACE $200: From Earth, this planet's 100,000 or so ringlets appear as just 3 broad rings Saturn |
| #2870, aired 1997-02-07 | ASTRONOMY & SPACE $400: British scientists announced that they had found organic material in a second meteorite from this planet Mars |
| #2870, aired 1997-02-07 | ASTRONOMY & SPACE $600: In 1996 the sun went an exceptional 36 days without a visible one of these dark patches Sunspots |
| #2870, aired 1997-02-07 | ASTRONOMY & SPACE $800: Scientists conjecture that this gas giant's moon Europa may sustain an icy ocean Jupiter |
| #2870, aired 1997-02-07 | ASTRONOMY & SPACE $1000: In April 1997 one of these named Hale-Bopp will be among the brightest objects in the night sky Comet |
| #2861, aired 1997-01-27 | ASTRONOMY $200: A seismometer aboard the Viking 2 lander failed to detect any quakes on this red planet Mars |
| #2861, aired 1997-01-27 | ASTRONOMY $400: The total mass of these minor planets in the solar system is less than that of our moon asteroids |
| #2861, aired 1997-01-27 | ASTRONOMY $800: In 1572 this Danish astronomer discovered a supernova in the constellation Cassiopeia Tycho Brahe |
| #2861, aired 1997-01-27 | ASTRONOMY $1000: Famous ones of these include the Perseids in August & the Leonids in November meteor showers |
| #2861, aired 1997-01-27 | ASTRONOMY $1,700 (Daily Double): In 1610 he published his discovery of 4 moons of Jupiter in "The Starry Messenger" Galileo |
| #2816, aired 1996-11-25 | ASTRONOMY $200: These objects with comas & tails can be named for up to 3 independent co-discoverers comets |
| #2816, aired 1996-11-25 | ASTRONOMY $400: Of the 9 planets, only Mars & Venus can appear brighter in the sky than this largest one Jupiter |
| #2816, aired 1996-11-25 | ASTRONOMY $600: This famous nebula is the remnant of a supernova observed in 1054 the Crab Nebula |
| #2816, aired 1996-11-25 | ASTRONOMY $800: This is defined as the position in a satellite's orbit when it's most distant from the Earth apogee |
| #2816, aired 1996-11-25 | ASTRONOMY $1000: This 16th C. Flemish cartographer also made a star globe showing the constellations Gerard Mercator |
| #2785, aired 1996-10-11 | ASTRONOMY & SPACE $200: In January 1996 special ceremonies marked the 10-year anniversary of the explosion of this space shuttle the Challenger |
| #2785, aired 1996-10-11 | ASTRONOMY & SPACE $400: Astronomers say they've found 2 new planets, one in the Big Dipper & one in this "chaste" constellation Virgo |
| #2785, aired 1996-10-11 | ASTRONOMY & SPACE $600: Latin term for the moon's "seas"; the largest is about 750 miles wide mare(s or maria) |
| #2785, aired 1996-10-11 | ASTRONOMY & SPACE $800: The name of these Russian spacecraft means "union" Soyuz |
| #2785, aired 1996-10-11 | ASTRONOMY & SPACE $1000: In 1992, aboard the Endeavour, she became the 1st African-American woman in space Mae Jemison |
| #2752, aired 1996-07-16 | ASTRONOMY $200: Any point on the Earth's equator moves at a thousand miles per hour; any point on this largest planet's, at 22,000 miles per hour Jupiter |
| #2752, aired 1996-07-16 | ASTRONOMY $400: The Maxwell Montes region contains the highest point on this planet, the third brightest object in the sky Venus |
| #2752, aired 1996-07-16 | ASTRONOMY $600: During a total eclipse of the sun, this outermost layer of the sun remains visible Corona |
| #2752, aired 1996-07-16 | ASTRONOMY $800: This British observatory was completed in 1676 from plans prepared by Christopher Wren Greenwich |
| #2752, aired 1996-07-16 | ASTRONOMY $1000: This constellation, "The Hunter", is found between Taurus, the bull, & Monoceros, the unicorn Orion |
| #2739, aired 1996-06-27 | SCIENCE $1000: In astronomy one of these bodies has a singularity at its center & an event horizon at its edge black hole |
| #2722, aired 1996-06-04 | ASTRONOMY $100: In 1796 Pierre Simon de Laplace suggested the existence of these objects from which light can't escape a black hole |
| #2722, aired 1996-06-04 | ASTRONOMY $200: Proxima Centauri, the nearest star other than the sun, is 25 trillion miles away, or 4.25 of these units light years |
| #2722, aired 1996-06-04 | ASTRONOMY $300: In 1989 Asclepius, one of these, passed within 500,000 miles of the Earth an asteroid |
| #2722, aired 1996-06-04 | ASTRONOMY $400: In 1968 he became a professor of astronomy at Cornell & Director of the Laboratory for Planetary Studies Carl Sagan |
| #2722, aired 1996-06-04 | ASTRONOMY $500: Galileo may have seen this outer planet centuries before its 1846 discovery without recognizing it as such Neptune |
| #2709, aired 1996-05-16 | ASTRONOMY $200: The Trojan asteroids lie in 2 groups moving 60º ahead & behind the orbit of this largest planet Jupiter |
| #2709, aired 1996-05-16 | ASTRONOMY $400: In 1950 Jan Oort proposed that these tailed bodies come from a cloud about 1 light year from the Sun comets |
| #2709, aired 1996-05-16 | ASTRONOMY $600: The orbit of this smallest planet has the greatest eccentricity Pluto |
| #2709, aired 1996-05-16 | ASTRONOMY $800: A common form of these large groupings of stars is a disk with a central bulge galaxies |
| #2709, aired 1996-05-16 | ASTRONOMY $1,500 (Daily Double): Some calculations suggest at least 90% of the universe consists of nonluminous material called this dark matter |
| #2707, aired 1996-05-14 | SCIENTISTS $1000: This "Father of Modern Astronomy" was born in Germany in 1571 (Johannes) Kepler |
| #2625, aired 1996-01-19 | ASTRONOMY $100: The next time we'll be able to see this famous object from Earth is in 2134; reserve your seats now Halley's Comet |
| #2625, aired 1996-01-19 | ASTRONOMY $200: It's the only star on which astronomers have observed spots Sun |
| #2625, aired 1996-01-19 | ASTRONOMY $300: In 1504 Columbus scared the locals in Jamaica when he predicted one of these (Lunar) Eclipse |
| #2625, aired 1996-01-19 | ASTRONOMY $400: Betelgeuse is a red supergiant in this constellation of the hunter Orion |
| #2625, aired 1996-01-19 | ASTRONOMY $500: CP 1919, the first of these ever found, emits bursts of radiation every 1.337 seconds Pulsar |
| #2606, aired 1995-12-25 | ASTRONOMY $100: Records show that this comet was observed as early as 240 B.C. Halley's Comet |
| #2606, aired 1995-12-25 | ASTRONOMY $200: Giovanni Cassini discovered the main division in this planet's rings & 4 of it satellites Saturn |
| #2606, aired 1995-12-25 | ASTRONOMY $300: To the naked eye this planet appears as a bright red star Mars |
| #2606, aired 1995-12-25 | ASTRONOMY $400: First described in 1836, Baily's beads is a short-lived phenomenon seen during one of these a solar eclipse |
| #2606, aired 1995-12-25 | ASTRONOMY $500: Named for their "quasi-stellar" appearance, they're possibly the most distant objects in the universe quasars |
| #2588, aired 1995-11-29 | ASTRONOMY $100: Earth is located about 3/5 of the way from the center of this galaxy the Milky Way |
| #2588, aired 1995-11-29 | ASTRONOMY $200: Ida, one of these small heavenly bodies, has its own moon an asteroid |
| #2588, aired 1995-11-29 | ASTRONOMY $300: The greenhouse effect is responsible for 800° F. temperatures on this planet Venus |
| #2588, aired 1995-11-29 | ASTRONOMY $400: He was the second Astronomer Royal & perhaps the only one you could name Edmond Halley |
| #2588, aired 1995-11-29 | ASTRONOMY $500: In 1987 astronomers got their best look at one of these exploding stars in almost 400 years a supernova |
| #2522, aired 1995-07-18 | ASTRONOMY $100: Encke's, one of these, has a return period of under 4 years; Halley's is 76 years a comet |
| #2522, aired 1995-07-18 | ASTRONOMY $200: The only green star visible to the naked eye appears in this constellation of the scales Libra |
| #2522, aired 1995-07-18 | ASTRONOMY $300: The constellation Cygnus is believed to contain one of these invisible collapsed stars a black hole |
| #2522, aired 1995-07-18 | ASTRONOMY $500: Taking place in August, it's been called the most spectacular of the meteor showers a Perseid shower |
| #2522, aired 1995-07-18 | ASTRONOMY $900 (Daily Double): Titan, a moon of this planet, is the second-largest satellite in the solar system Saturn |
| #2519, aired 1995-07-13 | SCIENTISTS $800: Caroline Herschel, sister of William, was the first important woman in this scientific field astronomy |
| #2472, aired 1995-05-09 | ASTRONOMY $200: When seen together, the coma & nucleus of one of these heavenly bodies are called the head a comet |
| #2472, aired 1995-05-09 | ASTRONOMY $400: American astronomer Asaph Hall discovered this planet's moons Phobos & Deimos Mars |
| #2472, aired 1995-05-09 | ASTRONOMY $600: In 1930 the IAU recognized 88 of these groupings of stars, including Orion constellations |
| #2472, aired 1995-05-09 | ASTRONOMY $800: This planet will be closer to the Sun than Neptune until March 15, 1999 Pluto |
| #2472, aired 1995-05-09 | ASTRONOMY $1000: This supergiant, pulsating variable star is also called the North Star Polaris |
| #2461, aired 1995-04-24 | FAMOUS MARIAS $1000: In 1865 Maria Mitchell became the first professor of this science at Vassar astronomy |
| #2439, aired 1995-03-23 | ASTRONOMY $200: Our solar system is in the Orion arm of this galaxy the Milky Way |
| #2439, aired 1995-03-23 | ASTRONOMY $400: The moon nearest a planet in our solar system is Phobos, 5,800 miles away from this planet Mars |
| #2439, aired 1995-03-23 | ASTRONOMY $600: Just before it was a nebula, the Crab Nebula was one of these a supernova (or an exploding star) |
| #2439, aired 1995-03-23 | ASTRONOMY $800: For a solar eclipse to occur, the Moon must be in this phase new |
| #2439, aired 1995-03-23 | ASTRONOMY $1000: Number of stars often visible in the Pleiades, hence its "sisterly" other name 7 |
| #2434, aired 1995-03-16 | SCIENCE $1000: In astronomy, this unit of distance is equal to 3.26 light-years a parsec |
| #2417, aired 1995-02-21 | MYTHS & LEGENDS $1000: In Egyptian astronomy, Isis was equated with this dog star Sirius |
| #2415, aired 1995-02-17 | ASTRONOMY & SPACE $100: In 1850 astronomer William Bond discovered this planet's third ring Saturn |
| #2415, aired 1995-02-17 | ASTRONOMY & SPACE $200: During its 1986 visit, a 20-million-pound chunk of this comet was blown away Halley's comet |
| #2415, aired 1995-02-17 | ASTRONOMY & SPACE $300: It was America's first, & so far only, space station Skylab |
| #2415, aired 1995-02-17 | ASTRONOMY & SPACE $400: Laika, the first canine cosmonaut, flew aboard the 2nd of these Russian satellites in 1957 Sputnik |
| #2415, aired 1995-02-17 | ASTRONOMY & SPACE $500: In a national contest, students chose the name of this space shuttle that replaced the Challenger Endeavour |
| #2383, aired 1995-01-04 | ASTRONOMY $100: One of these can be a hundred times more luminous than a regular nova a supernova |
| #2383, aired 1995-01-04 | ASTRONOMY $200: This comet appendage develops as the comet reaches perihelion, its closest point to the Sun its tail |
| #2383, aired 1995-01-04 | ASTRONOMY $300: This innermost planet has been explored by only one spacecraft–Mariner 10 Mercury |
| #2383, aired 1995-01-04 | ASTRONOMY $400: In this phase of the Moon, its illuminated side is invisible to observers on Earth a new moon |
| #2383, aired 1995-01-04 | ASTRONOMY $500: Of these "minor planets", Vesta is the only one sometimes visible to the naked eye asteroids |
| #2373, aired 1994-12-21 | ASTRONOMY & SPACE $200: As one of these moves away from the sun, it loses its tail comet |
| #2373, aired 1994-12-21 | ASTRONOMY & SPACE $400: It's believed that the majority of meteorites are fragments of these minor planets asteroids |
| #2373, aired 1994-12-21 | ASTRONOMY & SPACE $600: It's the Aurora Borealis' counterpart in the Southern Hemisphere Aurora Australis |
| #2373, aired 1994-12-21 | ASTRONOMY & SPACE $800: Nereid, this outer planet's third-largest moon, was discovered in 1949 Neptune |
| #2373, aired 1994-12-21 | ASTRONOMY & SPACE $1000: The 1st probe to leave the solar system, No. 10 in this series, marked 20 years in space in 1992 Pioneer |
| #2364, aired 1994-12-08 | ASTRONOMY & SPACE $100: The largest of these on the moon appear to be of meteoric origin, the smallest ones of volcanic origin craters |
| #2364, aired 1994-12-08 | ASTRONOMY & SPACE $200: In 1994 this country launched its 1st domestically designed & built rocket from Tanegashima Is. Japan |
| #2364, aired 1994-12-08 | ASTRONOMY & SPACE $300: To the disappointment of many "Star Trek" fans, this first shuttle never went into space Enterprise |
| #2364, aired 1994-12-08 | ASTRONOMY & SPACE $400: This orbiting telescope is controlled by radio from the Goddard Space Flight Center in Maryland the Hubble |
| #2364, aired 1994-12-08 | ASTRONOMY & SPACE $500: Icarus & Apollo, 2 of these, have diameters of about 1100 yards asteroids |
| #2358, aired 1994-11-30 | CLASSICAL MYTHOLOGY $1,700 (Daily Double): Urania is usually described as the muse of this science astronomy |
| #2347, aired 1994-11-15 | ASTRONOMY $200: The Geminids is an important winter shower of these Meteors |
| #2347, aired 1994-11-15 | ASTRONOMY $400: The midday forecast for this planet is 750 degrees Fahrenheit & sunny Mercury |
| #2347, aired 1994-11-15 | ASTRONOMY $600: This Jovian feature is abbreviated GRS the Great Red Spot |
| #2347, aired 1994-11-15 | ASTRONOMY $800: One of these is annualar if a ring of the photosphere remains visible Solar eclipse |
| #2347, aired 1994-11-15 | ASTRONOMY $1000: Voyager II discovered six more moons around this planet; one is bigger than the previously known Nereid Neptune |
| #2336, aired 1994-10-31 | ASTRONOMY $200: The greatest meteor showers radiate from this constellation of the lion every 33 years Leo |
| #2336, aired 1994-10-31 | ASTRONOMY $400: Their comas may exceed 500,000 miles in diameter comets |
| #2336, aired 1994-10-31 | ASTRONOMY $600: Herculina, one of these small bodies orbiting the sun between Mars & Jupiter, has its own moon an asteroid |
| #2336, aired 1994-10-31 | ASTRONOMY $800: The "seas" of the moon, actually regions of iron-rich basaltic lava, are called this in Latin mares (maria) |
| #2336, aired 1994-10-31 | ASTRONOMY $1000: This Dane's observations of the "New Star" of 1572 were published in his "De Nova Stella" Tycho Brahe |
| #2243, aired 1994-05-11 | ASTRONOMY $200: In 1959 the USSR's Luna 3 provided the first photos of this body's far side the Moon |
| #2243, aired 1994-05-11 | ASTRONOMY $400: The stars that once formed Scorpio's claws now "balance" out this constellation Libra |
| #2243, aired 1994-05-11 | ASTRONOMY $600: In August 1993 the Observer probe sent to study this planet was lost in space Mars |
| #2243, aired 1994-05-11 | ASTRONOMY $800: Similar to Jupiter's Great Red Spot, this bluish planet has a Great Dark Spot Neptune |
| #2243, aired 1994-05-11 | ASTRONOMY $1000: The one found in the center of the Crab Nebula flashes about 30 times each second a pulsar |
| #2229, aired 1994-04-21 | ASTRONOMY $100: Around 1610 he discovered the Moon had craters & "seas" Galileo |
| #2229, aired 1994-04-21 | ASTRONOMY $200: Telescopes using a front lens to collect light are refracting; ones using a rear mirror are this type reflecting |
| #2229, aired 1994-04-21 | ASTRONOMY $300: Earth-based observations in 1977 discovered these around Uranus rings |
| #2229, aired 1994-04-21 | ASTRONOMY $400: A mnemonic for this is "My very educated mother just sent us nine pizzas" the names of the planets in order from the Sun |
| #2229, aired 1994-04-21 | ASTRONOMY $500: The center of this galaxy lies in the direction of the constellation Sagittarius the Milky Way |
| #2209, aired 1994-03-24 | BRITISH POTPOURRI $600: He was a professor of astronomy at Oxford when he designed its Sheldonian Theatre in the 1660s Christopher Wren |
| #2207, aired 1994-03-22 | ASTRONOMY & SPACE $100: Most of the meteors in a meteor shower are debris left behind by one of these tailed bodies a comet |
| #2207, aired 1994-03-22 | ASTRONOMY & SPACE $200: In 1966 Venera 3 became the first space probe to reach another planet when it crash-landed here Venus |
| #2207, aired 1994-03-22 | ASTRONOMY & SPACE $300: Deimos, the outermost moon of this planet has an average diameter of only 7.8 miles Mars |
| #2207, aired 1994-03-22 | ASTRONOMY & SPACE $400: Also called the Dog Star, it's the brightest star in the night sky Sirius |
| #2207, aired 1994-03-22 | ASTRONOMY & SPACE $500: In 1992 cosmonaut Sergei Krikalev returned home after nearly a year aboard this space station Mir |
| #2203, aired 1994-03-16 | ANCIENT TIMES $200: Chaldeans were noted for their achievements in these 2 fields whose names begin with "astro" astrology & astronomy |
| #2135, aired 1993-12-10 | ASTRONOMY $100: Mapping of its far side didn't begin until 1959 the Moon |
| #2135, aired 1993-12-10 | ASTRONOMY $200: 2017 is the next year the path of totality of one of these will be over the U.S. a solar eclipse |
| #2135, aired 1993-12-10 | ASTRONOMY $300: This state is home to the Mount Wilson & Mount Palomar Observatories California |
| #2135, aired 1993-12-10 | ASTRONOMY $400: The Facts on File Dictionary of Astronomy has entries for this planet's polar caps & volcanos Mars |
| #2135, aired 1993-12-10 | ASTRONOMY $500: Around 1700 John Flamsteed, the first Astronomer Royal, compiled a numbered catalog of these stars |
| #2082, aired 1993-09-28 | ASTRONOMY $200: Commonly used in astronomy, like telescopes, the 7x50 type of these magnifies 7 times & has 50mm lenses binoculars |
| #2082, aired 1993-09-28 | ASTRONOMY $400: In 1930 Clyde W. Tombaugh discerned this new planet among millions of star images in photographs Pluto |
| #2082, aired 1993-09-28 | ASTRONOMY $600: The Whirlpool Galaxy is classified as one of this shape spiral |
| #2082, aired 1993-09-28 | ASTRONOMY $800: Watch this nearby planet through a telescope & you'll see it go through phases, like the moon; Galileo did Venus |
| #2082, aired 1993-09-28 | ASTRONOMY $1000: To compute the distance from Earth to a star, measure its angle of this parallax |
| #2061, aired 1993-07-19 | ASTRONOMY $200: In terms of size this planet is considered the Earth's twin Venus |
| #2061, aired 1993-07-19 | ASTRONOMY $400: The ancient Chinese thought these dark areas on the Sun looked like flying birds sunspots |
| #2061, aired 1993-07-19 | ASTRONOMY $600: The peak brightness of this type of star usually occurs within 2 to 50 hours of its explosion a nova |
| #2061, aired 1993-07-19 | ASTRONOMY $800: The Northern Cross is part of this constellation which is said to look like a swan Cygnus |
| #2061, aired 1993-07-19 | ASTRONOMY $1000: Scheduled for launch in 1997, the Cassini spacecraft should reach this planet in 2004 Saturn |
| #2036, aired 1993-06-14 | ASTRONOMY $100: This second Greek letter is used to designate the second-brightest star in a constellation beta |
| #2036, aired 1993-06-14 | ASTRONOMY $200: The joint U.S.-German Helios spacecraft were launched to study this heavenly body the Sun |
| #2036, aired 1993-06-14 | ASTRONOMY $300: A famous comet is named for this man, Britain's Astronomer Royal 1720-1742 Halley |
| #2036, aired 1993-06-14 | ASTRONOMY $400: This cosmological theory says that all matter & radiation began in an explosion at a finite time in the past the Big Bang |
| #2036, aired 1993-06-14 | ASTRONOMY $500: This planet has made only about 1/4 of an orbit since it was discovered in 1930 Pluto |
| #2023, aired 1993-05-26 | ASTRONOMY $200: This comet returned in 1066, the year of the Battle of Hastings Halley's Comet |
| #2023, aired 1993-05-26 | ASTRONOMY $400: The event horizon is the boundary of one of these massive, dark objects a black hole |
| #2023, aired 1993-05-26 | ASTRONOMY $600: This is the most distant of the giant planets Neptune |
| #2023, aired 1993-05-26 | ASTRONOMY $800: This space research institution run by Caltech is abbreviated JPL the Jet Propulsion Laboratory |
| #2023, aired 1993-05-26 | ASTRONOMY $1000: The outermost layer of the Sun's atmosphere is called this the corona |
| #2013, aired 1993-05-12 | ASTRONOMY $100: Totality during one of these never lasts for more than about 8 minutes eclipse of the Sun |
| #2013, aired 1993-05-12 | ASTRONOMY $200: These lunar features range in size from tiny pits of more than 600 miles across crater |
| #2013, aired 1993-05-12 | ASTRONOMY $300: These star systems like the Milky Way are sometimes referred to as "island universes" galaxies |
| #2013, aired 1993-05-12 | ASTRONOMY $500: The diameter of this planet is estimated to be less than 2,000 miles Pluto |
| #2013, aired 1993-05-12 | ASTRONOMY $700 (Daily Double): Olympus Mons, believed to be the largest volcano in the solar system, is located on this planet Mars |
| #1953, aired 1993-02-17 | ASTRONOMY $200: If you missed this comet in 1986, you'll have to wait until 2061 to see it Halley's Comet |
| #1953, aired 1993-02-17 | ASTRONOMY $400: This planet's Great Red Spot is only half the size that it was at the turn of the century Jupiter |
| #1953, aired 1993-02-17 | ASTRONOMY $600: A planet's albedo is the ratio of the amount of this reflected by it to that falling on it light |
| #1953, aired 1993-02-17 | ASTRONOMY $800: The star he observed & described in 1572 is still called Tycho's Star Tycho Brahe |
| #1953, aired 1993-02-17 | ASTRONOMY $1000: Areography is the study of the geography of this planet Mars |
| #1948, aired 1993-02-10 | ASTRONOMY $200: Ganymede is this largest planet's largest satellite Jupiter |
| #1948, aired 1993-02-10 | ASTRONOMY $400: One of these, named for Johann Franz Encke, returns every 3.3 years comet |
| #1948, aired 1993-02-10 | ASTRONOMY $600: In 1916 Karl Schwarzschild demonstrated that very massive bodies could become these "dark" objects black holes |
| #1948, aired 1993-02-10 | ASTRONOMY $800: Also called Crux australis, this constellation is the smallest in the sky Southern cross |
| #1948, aired 1993-02-10 | ASTRONOMY $1000: Alcyone is the brightest star in this star cluster sometimes called the Seven Sisters Pleiades |
| #1939, aired 1993-01-28 | ASTRONOMY & SPACE $100: The center of this, our home galaxy, is near the constellation Sagittarius the Milky Way |
| #1939, aired 1993-01-28 | ASTRONOMY & SPACE $200: In 1991 England's 1st astronaut, Helen Sharman, took off for space aboard one of this country's Soyuz capsules the Soviet Union |
| #1939, aired 1993-01-28 | ASTRONOMY & SPACE $300: The first Surveyor probe was sent to this body in 1966 in preparation for the manned landing the Moon |
| #1939, aired 1993-01-28 | ASTRONOMY & SPACE $400: This type of spacecraft is also known as the Space Transportation System the Shuttle |
| #1939, aired 1993-01-28 | ASTRONOMY & SPACE $500: With its brilliant coloring, Io has been called the most spectacular of this planet's Galilean moons Jupiter |
| #1886, aired 1992-11-16 | ASTRONOMY $200: In a 1908 book, Percival Lowell proposed that the markings on this planet were irrigation canals Mars |
| #1886, aired 1992-11-16 | ASTRONOMY $400: As they approach the sun, some of these develop tails as long as 100 million miles a comet |
| #1886, aired 1992-11-16 | ASTRONOMY $600: The Crab Nebula was formed by one of these massive exploding stars in 1054 a supernova |
| #1886, aired 1992-11-16 | ASTRONOMY $800: The Pup, the 1st white dwarf to be discovered, is the lesser component of this dog star Sirius |
| #1886, aired 1992-11-16 | ASTRONOMY $1000: A large amount of methane in this 7th planet's atmosphere causes it to appear bluish-green Uranus |
| #1871, aired 1992-10-26 | HOBBIES $200: Carl Sagan & his "Cosmos" series were credited with creating a renewed interest in this hobby astronomy |
| #1863, aired 1992-10-14 | ASTRONOMY $200: The nucleus or core of one of these is said to resemble a large, dirty snowball a comet |
| #1863, aired 1992-10-14 | ASTRONOMY $400: The equatorial diameter of this planet, 88,700 miles, is about 11 times that of the earth Jupiter |
| #1863, aired 1992-10-14 | ASTRONOMY $600: Perihelion refers to the point in the orbit of a planet that' nearest to this body the sun |
| #1863, aired 1992-10-14 | ASTRONOMY $800: To detect one of these "dark" objects, you must observe its gravitational effects on other objects a black hole |
| #1863, aired 1992-10-14 | ASTRONOMY $1000: The first one of these stars which emit short bursts of radio waves was discovered in 1967 pulsar |
| #1826, aired 1992-07-06 | ASTRONOMY & SPACE $200: America's first man-in-space program, or the planet closest to the Sun Mercury |
| #1826, aired 1992-07-06 | ASTRONOMY & SPACE $400: They were once thought of as "hairy stars" & were regarded as evil comets |
| #1826, aired 1992-07-06 | ASTRONOMY & SPACE $600: In April 1990 the Hubble Telescope was put into orbit by the crew of this space shuttle Discovery |
| #1826, aired 1992-07-06 | ASTRONOMY & SPACE $800: It's long been suggested that Pluto is actually an escaped satellite of this planet Neptune |
| #1826, aired 1992-07-06 | ASTRONOMY & SPACE $1000: This largest moon of Saturn is the only satellite known to have a substantial atmosphere Titan |
| #1756, aired 1992-03-30 | ASTRONOMY $200: If it exists, it's denser than a neutron star, so dense even light can't escape from it black hole |
| #1756, aired 1992-03-30 | ASTRONOMY $400: Johann von Lamont connected fluctuations in the Earth's magnetic field to these solar disturbances sunspots |
| #1756, aired 1992-03-30 | ASTRONOMY $600: Found between Aquarius & Aries, the 2 parts of this constellation are connected at their tails Pisces |
| #1756, aired 1992-03-30 | ASTRONOMY $1000: Term given to a pair of stars that revolve around each other binary |
| #1756, aired 1992-03-30 | ASTRONOMY $2,000 (Daily Double): In our solar system it's the outermost of the inner planets Mars |
| #1723, aired 1992-02-12 | SCIENTISTS $200: In 1705's "A Synopsis of the Astronomy of Comets", this man described the orbits of 24 of them Edmond Halley |
| #1702, aired 1992-01-14 | CAPTAIN COOK $1,000 (Daily Double): The new U.S. space shuttle is named after this ship Cook took on an astronomy mission in 1768 the Endeavour |
| #1686, aired 1991-12-23 | ASTRONOMY $200: Betelgeuse, whose name is Arabic for "armpit", is found in the armpit of this hunter Orion |
| #1686, aired 1991-12-23 | ASTRONOMY $400: At its brightest this planet is more than 12 times as bright as Sirius, the brightest star Venus |
| #1686, aired 1991-12-23 | ASTRONOMY $600: Saturn's Cassini division is a division in these the rings |
| #1686, aired 1991-12-23 | ASTRONOMY $800: A bolide is a bright one of these that may explode during its descent a meteor |
| #1686, aired 1991-12-23 | ASTRONOMY $1000: In 1565 this Danish astronomer had part of his nose sliced off in a duel Tycho Brahe |
| #1679, aired 1991-12-12 | "A" IN ASTRONOMY $100: 1 of the first 2 men to pick up rocks on the moon Neil Armstrong (or Edwin Aldrin) |
| #1679, aired 1991-12-12 | "A" IN ASTRONOMY $200: Also called "minor planets", thousands of these circle the sun asteroids |
| #1679, aired 1991-12-12 | "A" IN ASTRONOMY $300: In the sky & on the astrological chart, it lies between Taurus & Pisces Aries |
| #1679, aired 1991-12-12 | "A" IN ASTRONOMY $400: You must "strain" to see this galaxy, the most distant object visible to the naked eye the Andromeda Galaxy |
| #1679, aired 1991-12-12 | "A" IN ASTRONOMY $500: This triple star includes the closest star to the sun Alpha Centauri |
| #1673, aired 1991-12-04 | ASTRONOMY $200: In 1719 this planet was so bright that some people mistook it for a red comet Mars |
| #1673, aired 1991-12-04 | ASTRONOMY $400: Zubenelgenubi, a star in this constellation, tips the scales at an apparent magnitude of 2.9 Libra |
| #1673, aired 1991-12-04 | ASTRONOMY $600: The Leonids, which usually occur between Nov. 14 & 20, are these meteor showers |
| #1673, aired 1991-12-04 | ASTRONOMY $800: During a total solar eclipse this outer atmosphere of the Sun appears as a halo the corona |
| #1673, aired 1991-12-04 | ASTRONOMY $1000: This aptly named group of asteroids includes Hector, Priam & Aeneas the Trojans |
| #1666, aired 1991-11-25 | ASTRONOMY $200: Known for his law of universal gravitation, he devised the 1st reflecting telescope in the 17th c. Newton |
| #1666, aired 1991-11-25 | ASTRONOMY $400: 1 of the 2 times during the year when the sun crosses the celestial equator the vernal equinox (or the autumnal equinox) |
| #1666, aired 1991-11-25 | ASTRONOMY $600: From the Latin for "great", this term refers to the brightness of stars magnitude |
| #1666, aired 1991-11-25 | ASTRONOMY $1000: In 1973 this new comet became the 1st to be studied from space when photographed by Skylab Kohoutek |
| #1666, aired 1991-11-25 | ASTRONOMY $3,000 (Daily Double): The steady flow of charged particles from the sun's corona into space is called this the solar wind |
| #1655, aired 1991-11-08 | FAMOUS SCIENTISTS $400: Our main source of knowledge of Greek astronomy is his "Almagest", completed in the 2nd century Ptolemy |
| #1589, aired 1991-06-27 | ARCHITECTURE $500: He was an astronomy professor at Oxford but the first building he designed was a chapel at Cambridge Christopher Wren |
| #1583, aired 1991-06-19 | ASTRONOMY $100: This 9th planet's one moon has an orbit period of 6.4 days Pluto |
| #1583, aired 1991-06-19 | ASTRONOMY $200: He developed his heliocentric theory of the universe while a canon at Torun, Poland Copernicus |
| #1583, aired 1991-06-19 | ASTRONOMY $300: The name of these fuzzy-looking objects comes from a Greek word meaning "long hair" comet |
| #1583, aired 1991-06-19 | ASTRONOMY $400: The largest of these telescopes is the one in Puerto Rico that has a 1,000-foot diameter dish radio telescopes |
| #1583, aired 1991-06-19 | ASTRONOMY $500: In 1801, Ceres became the 1st of these bodies to be discovered asteroids |
| #1579, aired 1991-06-13 | ASTRONOMY $200: As it diminishes, the Moon is said to be waning; as it grows fuller, it's doing this waxing |
| #1579, aired 1991-06-13 | ASTRONOMY $400: Technically this name refers to only one part of our galaxy, the visible band of light the Milky Way |
| #1579, aired 1991-06-13 | ASTRONOMY $600: Neighboring planet on which you'd find the 15-mile-high Volcano Olympus Mons Mars |
| #1579, aired 1991-06-13 | ASTRONOMY $800: Images from Pioneer 10 showed "hurricanes" to be the cause of this mark on Jupiter Great Red Spot |
| #1579, aired 1991-06-13 | ASTRONOMY $1000: Titan, the largest moon in the solar system, orbits this planet in a little under 16 days Saturn |
| #1519, aired 1991-03-21 | ASTRONOMY $200: The seven brightest stars of Ursa Major or the Great Bear form this famous pattern the Big Dipper |
| #1519, aired 1991-03-21 | ASTRONOMY $400: Elliptical, irregular & spiral are the 3 main types of these star systems galaxies |
| #1519, aired 1991-03-21 | ASTRONOMY $600: Helpful to farmers, the full moon nearest the autumnal equinox is called this the harvest moon |
| #1519, aired 1991-03-21 | ASTRONOMY $800: As the evening star, this planet has been called Hesperus Venus |
| #1519, aired 1991-03-21 | ASTRONOMY $1000: Edwin Hubble discovered, "The farther a galaxy is from us, the faster it's" doing this traveling away from us |
| #1475, aired 1991-01-18 | MAGAZINES $300: The stars tell us the new magazine "Jupiter" covers this field astrology |
| #1467, aired 1991-01-08 | "P"SCIENCE $200: His astronomy figures were accepted as true for centuries until Copernicus proved them incorrect Ptolemy |
| #1453, aired 1990-12-19 | ASTRONOMY $100: Term for the devouring of a galaxy by another or of a person by another cannibalism |
| #1453, aired 1990-12-19 | ASTRONOMY $200: Greek letter usually used to designate the second brightest star in a constellation beta |
| #1453, aired 1990-12-19 | ASTRONOMY $300: When the Sun is on the celestial meridian, it's this time where you are noon |
| #1453, aired 1990-12-19 | ASTRONOMY $400: Many believe the "red shift" of the light from distant galaxies proves the universe is doing this expanding |
| #1453, aired 1990-12-19 | ASTRONOMY $500: H.G. Wells & Yuri Gagarin have geographic features named for them here the Moon |
| #1423, aired 1990-11-07 | ASTRONOMY $200: As can be seen thru a telescope, the sizes of this red planet's polar ice caps change with the seasons Mars |
| #1423, aired 1990-11-07 | ASTRONOMY $400: 17 days after this planet was discovered in 1846, William Lassell found one of its satellites, Triton Neptune |
| #1423, aired 1990-11-07 | ASTRONOMY $600: Streaming out of coronal holes, it causes comet tails to point away from the sun solar wind |
| #1423, aired 1990-11-07 | ASTRONOMY $800: Its twisting back & forth as it orbits Jupiter generates heat & drives its volcanoes Io |
| #1423, aired 1990-11-07 | ASTRONOMY $1000: When he found Venus had phases like the moon, he cautiously announced it in the form of an anagram Galileo |
| #1410, aired 1990-10-19 | ASTRONOMY $200: 4 asteroids named Lennon, McCartney, Harrison & Starr honor this rock group The Beatles |
| #1410, aired 1990-10-19 | ASTRONOMY $400: Like quasars, these stars also send out radio waves but in short, rapid bursts pulsars |
| #1410, aired 1990-10-19 | ASTRONOMY $600: Kepler's first law states that the shape of a planet's orbit is this, rather than circular elliptical |
| #1410, aired 1990-10-19 | ASTRONOMY $800: In the Northern Hemisphere it can be September 22 or 23 the autumnal equinox |
| #1410, aired 1990-10-19 | ASTRONOMY $1000: The 2 galaxies nearest to our own are known as these clouds the Magellan Clouds |
| #1387, aired 1990-09-18 | ASTRONOMY $200: In 1930, Clyde Tombaugh discovered this planet from photographic plates taken two moths earlier Pluto |
| #1383, aired 1990-09-12 | PHYSICAL SCIENCE $1000: In astronomy a body moving in the opposite direction from other members of a solar system is in this retrograde |
| #1370, aired 1990-07-13 | SIGNS & SYMBOLS $200: In astronomy a darkened circle indicates the moon is in this phase New Moon |
| #1346, aired 1990-06-11 | COMPOSERS $400: William Herschel, who is famous in this field of science, also did a little composing astronomy |
| #1254, aired 1990-02-01 | SCIENCE $1000: Abbreviated "pc", it's a unit of distance used in astronomy equal to 3.21 light years Parsec |
| #1222, aired 1989-12-19 | MYTHOLOGICAL WOMEN $200: As you might expect, Urania was the muse of this science astronomy |
| #1166, aired 1989-10-02 | ASTRONOMY $200: Cassini, a 17th century astronomer, was the first to suggest these were made up of tiny moons, & not a solid disk the rings of Saturn |
| #1166, aired 1989-10-02 | ASTRONOMY $400: In the 17th century it was thought the dark areas on the moon were these, & that's what we still call them seas |
| #1166, aired 1989-10-02 | ASTRONOMY $600: The one of these with the shortest known orbit period, 3.3 years, is Encke a comet |
| #1166, aired 1989-10-02 | ASTRONOMY $800: Though the orbit of these 2 planets cross, they'll never hit each other Neptune and Pluto |
| #1166, aired 1989-10-02 | ASTRONOMY $1000: Before completing a 40" telescope in 1897, he was raising money for a 60" one, then a 100"... George Hale |
| #1161, aired 1989-09-25 | COLLEGES & UNIVERSITIES $1000: "Cosmos" author Carl Sagan is a professor of astronomy & space sciences at this eastern university Cornell |
| #1121, aired 1989-06-19 | ASTRONOMY $100: An early system classified stars as giants or these, of which our sun is one dwarves |
| #1121, aired 1989-06-19 | ASTRONOMY $200: Isaac Newton built the 1st telescope of this type reflecting |
| #1121, aired 1989-06-19 | ASTRONOMY $300: The average distance between the earth & this is 239,000 miles, not too far the moon |
| #1121, aired 1989-06-19 | ASTRONOMY $400: It's defined as all space & everything contained in it cosmos or universe |
| #1121, aired 1989-06-19 | ASTRONOMY $500: The crab nebula is the remnant of one of these witnessed by Chinese astronomers in 1054 supernova |
| #1062, aired 1989-03-28 | MYTHS & LEGENDS $400: Urania was the Greek goddess of this science astronomy |
| #1060, aired 1989-03-24 | U.S. CITIES $500: This Arizona university town has been called the "Astronomy Capital of the World" Tucson |
| #1045, aired 1989-03-03 | ASTRONOMY $200: Several large telescopes are located on Mauna Kea, the highest peak on this island Hawaii (the big island) |
| #1045, aired 1989-03-03 | ASTRONOMY $400: Three of these celestial objects are named Trifid, Horsehead & Crab nebulas |
| #1045, aired 1989-03-03 | ASTRONOMY $600: Selenography is the science that deals with charting the surface features of this the moon |
| #1045, aired 1989-03-03 | ASTRONOMY $800: In 1801 Giuseppe Piazzi discovered Ceres, the 1st of these, between Mars & Jupiter asteroid |
| #1045, aired 1989-03-03 | ASTRONOMY $1,000 (Daily Double): Founded by King Charles II in 1675, it is located at Herstmonceux Castle in Sussex Greenwich Observatory |
| #1001, aired 1989-01-02 | ASTRONOMY $200: The Milky Way is part of a cluster of these called the local group galaxies |
| #1001, aired 1989-01-02 | ASTRONOMY $400: It's the closest to the Sun of our solar system's outer planets Jupiter |
| #1001, aired 1989-01-02 | ASTRONOMY $600: The outermost part of a star's atmosphere, the Sun's is visible during an eclipse a corona |
| #1001, aired 1989-01-02 | CLASSICAL MUSIC $800: Under this title, Beethoven's Piano Sonata No.14 in C# minor could go in the astronomy category the Moonlight Sonata |
| #991, aired 1988-12-19 | ANCIENT QUOTES $800: Plato said this science "compels the soul to look upward & leads us from this world to another" astronomy |
| #986, aired 1988-12-12 | SCIENCE $400: Working in this field of science kept Edwin Hubble up nights astronomy |
| #977, aired 1988-11-29 | ASTRONOMY $200: From Latin for "mixing bowl", these are found on Mercury & Mars as well as on the Moon craters |
| #977, aired 1988-11-29 | ASTRONOMY $400: People often mistake this brightest planet for a UFO Venus |
| #977, aired 1988-11-29 | ASTRONOMY $600: This 16th century Polish astronomer spent most of his life as a well-to-do clergyman Copernicus |
| #977, aired 1988-11-29 | ASTRONOMY $1000: Quasar is an acronym for this, meaning "star-like" quasi-stellar |
| #977, aired 1988-11-29 | ASTRONOMY $1,500 (Daily Double): 1 of the 2 types of orbiting bodies classed as minor planets in our solar systems asteroids |
| #949, aired 1988-10-20 | ASTRONOMY $200: The person who gets to name a newly discovered comet the person who discovers it |
| #949, aired 1988-10-20 | ASTRONOMY $400: This imaginary celestial belt includes the apparent annual paths of the Sun & most planets the zodiac |
| #949, aired 1988-10-20 | ASTRONOMY $600: Name of the constellation that both the Greeks & Native Americans identified as a big bear Ursa Major (Big Dipper) |
| #949, aired 1988-10-20 | ASTRONOMY $800: They are estimated to add more than 1,000 tons to the Earth's weight each day meteors |
| #949, aired 1988-10-20 | ASTRONOMY $1000: 4 of this outer planet's moons are named for Shakespearean characters Uranus |
| #902, aired 1988-07-05 | ASTRONOMY $200: The constituent members of a multistar system, or the constituent members of a stereo system components |
| #902, aired 1988-07-05 | ASTRONOMY $400: A 100-inch telescope collects 10,000 times more light than a telescope with a mirror this size 1 inch |
| #902, aired 1988-07-05 | ASTRONOMY $600: It was founded in 1904 by George Ellery Hale in the mountains above Pasadena, Calif. the Mount Wilson Observatory |
| #902, aired 1988-07-05 | ASTRONOMY $800: A red giant star has exhausted all of this element used as fuel in its core hydrogen |
| #902, aired 1988-07-05 | ASTRONOMY $5,000 (Daily Double): Among planets in our solar system whose size is known, these 2 are closest in diameter Venus & the Earth |
| #852, aired 1988-04-26 | ENDS WITH "A" $200: In astronomy her name refers to a constellation and in the movie to a strain of virus Andromeda |
| #840, aired 1988-04-08 | ASTRONOMY $100: This Italian astronomer died in 1642, the year of Newton's birth Galileo |
| #840, aired 1988-04-08 | ASTRONOMY $200: Term for disturbances that were detected by the Apollo seismic network moonquakes |
| #840, aired 1988-04-08 | ASTRONOMY $300: This small outer planet may be a low-density ice ball Pluto |
| #840, aired 1988-04-08 | ASTRONOMY $400: Discovered in 1973, this comet was extensively investigated from Skylab Kohoutek |
| #840, aired 1988-04-08 | ASTRONOMY $500: Containing Vega, the 5th brightest star, it's the only constellation representing a string instrument Lyre |
| #829, aired 1988-03-24 | BRIITISH HISTORY $400: Sir Christopher Wren was an astronomy prof. at Oxford before gaining fame in this profession architecture |
| #827, aired 1988-03-22 | ASTRONOMY $200: Its moon Phobos is only 14 miles across, while its 2nd moon, Deimos, is even smaller Mars |
| #827, aired 1988-03-22 | ASTRONOMY $400: The term "Land of the Midnight Sun" refers to region north of this line Arctic Circle |
| #827, aired 1988-03-22 | ASTRONOMY $600: These have been described as "dirty snowballs" of dust & ice orbiting the sun comets |
| #827, aired 1988-03-22 | ASTRONOMY $800: As a result of recent discoveries, we now think this planet has the most moons Saturn |
| #827, aired 1988-03-22 | ASTRONOMY $2,000 (Daily Double): The 3 planets discovered in the 18th, 19th, & 20th centuries, in order of discovery Uranus, Neptune & Pluto |
| #781, aired 1988-01-18 | ASTRONOMY $200: The tail of a comet always points in this direction in relation to the Sun away from the Sun |
| #781, aired 1988-01-18 | ASTRONOMY $400: The densest planet in the Solar System, it's almost four times denser than the Sun the Earth |
| #761, aired 1987-12-21 | ASTRONOMY $100: In 1959, The Soviet spacecraft Lunik 3 took 1st pictures of its far side the moon |
| #761, aired 1987-12-21 | ASTRONOMY $200: "Occupation" of the constellation Sagittarius archer |
| #761, aired 1987-12-21 | ASTRONOMY $300: This planet contains about 70% of all matter in our sun's 9 major planets Jupiter |
| #761, aired 1987-12-21 | ASTRONOMY $400: This element usually contains 2 electrons, & is synthesized from hydrogen in the centers of some stars helium |
| #761, aired 1987-12-21 | ASTRONOMY $500: About 14,000 years ago & again in A.D. 14000, the star Vega, not Polaris, will be this the North Star |
| #737, aired 1987-11-17 | ASTRONOMY $200: He discovered the four largest moons of Jupiter in 1610 Galileo |
| #737, aired 1987-11-17 | ASTRONOMY $400: It's thought Egyptians used this Big Dipper constellation to set compass bearings of the pyramids Ursa Major |
| #737, aired 1987-11-17 | ASTRONOMY $600: This giant moon of Saturn is larger than the planet Mercury Titan |
| #737, aired 1987-11-17 | ASTRONOMY $800: The name of this star in Orion is from the Arabic for "the giant's armpit" Betelgeuse |
| #737, aired 1987-11-17 | ASTRONOMY $1000: 18th century Frenchman whose catalogue of fuzzy objects given M-numbers is still used today Charles Messier |
| #715, aired 1987-10-16 | ASTRONOMY $200: As with the Earth, a "celestial" line called this divides the sky into 2 equal hemispheres equator |
| #715, aired 1987-10-16 | ASTRONOMY $400: If you're serious about your astronomy, you should know that this star is the brightest in the night sky Sirius |
| #715, aired 1987-10-16 | ASTRONOMY $600: Color most commonly seen during a display of the Aurora Borealis green |
| #715, aired 1987-10-16 | ASTRONOMY $800: Spanning about 1/4 of the sky, the Hydra, or "sea serpent", is the largest of these constellations |
| #715, aired 1987-10-16 | ASTRONOMY $1000: Most distant object the human eye can see unaided, though with a little "strain", is this galaxy Andromeda |
| #707, aired 1987-10-06 | ASTRONOMY $100: During the geocentric period of astronomy, people believed the Sun revolved around this the Earth |
| #707, aired 1987-10-06 | ASTRONOMY $200: Because this force is less powerful on the Moon, colonists may face loss of muscle mass gravity |
| #707, aired 1987-10-06 | ASTRONOMY $300: Mrs. H. Hodges of Sylacauga, Ala. is the 1st person known to have been injured by 1 of these a meteor |
| #707, aired 1987-10-06 | ASTRONOMY $400: A spiral nebula is one type of this a galaxy |
| #707, aired 1987-10-06 | ASTRONOMY $500: The 2 ways telescopes are classified according to how they gather light a refractor or a reflector (refracting or reflecting) |
| #703, aired 1987-09-30 | SCIENCE $400: Using a telescope he made himself, he invented telescope astronomy in 1609 Galileo |
| #689, aired 1987-09-10 | ASTRONOMY $200: In the northern hemisphere, this season begins when the Sun "crosses the equator" from south to north spring |
| #689, aired 1987-09-10 | ASTRONOMY $400: Now past Uranus, Voyager II is expected to reach this planet at 9 P.M. PDT, August 24, 1989 Neptune |
| #689, aired 1987-09-10 | ASTRONOMY $600: Markarian 348, 13 times the size of the Milky Way, may be the largest of these in the universe galaxy |
| #689, aired 1987-09-10 | ASTRONOMY $800: In March 1987, scientists were watching the closest of these stellar events in nearly 400 yrs. supernova |
| #678, aired 1987-07-15 | ASTRONOMY $200: In 1973, Poland celebrated the 500th anniversary of the birth of this astronomer Copernicus |
| #678, aired 1987-07-15 | ASTRONOMY $600: The constellation Auriga, the charioteer, contains 1 of the horntips of this constellation Taurus, the bull |
| #678, aired 1987-07-15 | ASTRONOMY $800 (Daily Double): The 2 planets mentioned in the following song: Jupiter & Mars |
| #678, aired 1987-07-15 | ASTRONOMY $800: The 2 planets in our solar system whose orbits cross Neptune & Pluto |
| #678, aired 1987-07-15 | ASTRONOMY $1000: Unlike Halley's, it'll take another 75,000 years for this comet, 1st seen in 1973, to return Kohoutek |
| #656, aired 1987-06-15 | ASTRONOMY $200: Term for the moment when the Sun's "upper limb" disappears below the horizon sunset |
| #656, aired 1987-06-15 | ASTRONOMY $400: To Moon voyagers, Earth appears to be this color blue |
| #656, aired 1987-06-15 | ASTRONOMY $500 (Daily Double): The 6 "Superior" planets Mars, Jupiter, Saturn, Uranus, Neptune & Pluto |
| #656, aired 1987-06-15 | ASTRONOMY $600: This constellation's 7 main stars are called "The Plough" in Britain & "the Big Dipper" in U.S. Ursa Major (the Great Bear) |
| #656, aired 1987-06-15 | ASTRONOMY $800: Consisting of an umbra & a penumbra, these disturbances can cluster to become 200,000km across sunspots |
| #643, aired 1987-05-27 | ASTRONOMY $100: According to "The Book of Popular Science", the 1st comet definitely recorded was this
one Halley's Comet |
| #643, aired 1987-05-27 | ASTRONOMY $200: Though Columbus "proved" it, Pythagoras taught this 21 centuries earlier that the world is round |
| #643, aired 1987-05-27 | ASTRONOMY $300: Both these planets on either side of Saturn also have rings Jupiter and Uranus |
| #643, aired 1987-05-27 | ASTRONOMY $400: Common name for phase that follows a new moon a (waxing) crescent |
| #638, aired 1987-05-20 | ASTRONOMY $200: Under ideal conditions the green flash occurs in atmosphere seconds before this evening event sunset |
| #638, aired 1987-05-20 | ASTRONOMY $400: As the moon changes from new to full, it is said to be doing this household chore waxing |
| #638, aired 1987-05-20 | ASTRONOMY $2,800 (Daily Double): 1 theory says it was the conjunction of Jupiter & Saturn in Pisces about 7 B.C. star of the East at Jesus' birth (Star of Bethlehem) |
| #598, aired 1987-03-25 | ASTRONOMY $200: = = |
| #581, aired 1987-03-02 | ASTRONOMY $100: This closest star in the sky is so bright it usually prevents us from seeing all others the sun |
| #581, aired 1987-03-02 | ASTRONOMY $200: The "Expanding Universe" theory is also given this explosive name the Big Bang Theory |
| #581, aired 1987-03-02 | ASTRONOMY $300: It appears as the brightest of the celestial planets Venus |
| #557, aired 1987-01-27 | ASTRONOMY $200: While Ursa Minor is commonly called "the Little Dipper", it actually translates to this Little Bear |
| #557, aired 1987-01-27 | ASTRONOMY $400: The terms "Evening Star" & "Morning Star" both most often refer to this same body Venus |
| #557, aired 1987-01-27 | ASTRONOMY $600: In the Northern Hemisphere, it's the longest day of the year June 21st |
| #490, aired 1986-10-24 | ASTRONOMY $200: A 17th century Danish astronomer 1st noted the speed of this by observing Jupiter & its satellites the speed of light |
| #490, aired 1986-10-24 | ASTRONOMY $400: Of 6,000, 50,000, or 90,000, the approximate number of stars visible to the naked eye 6,000 |
| #490, aired 1986-10-24 | ASTRONOMY $600 (Daily Double): The 2 planets in our solar system with no moons Mercury & Venus |
| #490, aired 1986-10-24 | ASTRONOMY $600: Stars & these vast collections of stars are called the building blocks of the universe galaxies |
| #490, aired 1986-10-24 | ASTRONOMY $1000: It has the most eccentric orbit of the 9 major planets Pluto |
| #468, aired 1986-09-24 | ASTRONOMY $200: They can be classified as blue giants or white dwarfs stars |
| #468, aired 1986-09-24 | ASTRONOMY $400: Charles Darwin's son George developed the theory the moon was once part of this astronomical body the Earth |
| #423, aired 1986-04-23 | ASTRONOMY $200: Of lunar, or solar eclipses, the more frequent a solar eclipse |
| #423, aired 1986-04-23 | ASTRONOMY $400: This planet is only about ¾ as dense as water, so it probably wouldn’t leave “rings” in the bathtub Saturn |
| #423, aired 1986-04-23 | ASTRONOMY $600 (Daily Double): Title of this number one 1958 hit "Little Star" |
| #423, aired 1986-04-23 | ASTRONOMY $800: German astronomer whose laws of planetary motion were published in 1609 Johannes Kepler |
| #400, aired 1986-03-21 | ASTRONOMY $100: Restudying data from Viking I, scientists believe this planet once had enough water to support life Mars |
| #400, aired 1986-03-21 | ASTRONOMY $200: Popular name for scintillation, little stars do it twinkling |
| #400, aired 1986-03-21 | ASTRONOMY $300: Of much larger, about the same size, or 1/4 smaller, how Uranus compares to Earth much larger |
| #400, aired 1986-03-21 | ASTRONOMY $400: Phase in which the Moon must be for a lunar eclipse to occur a Full Moon |
| #400, aired 1986-03-21 | ASTRONOMY $500: It follows that if the constellation Sagittarius is "the archer", the constellation Sagitta is this the Arrow |
| #365, aired 1986-01-31 | U.S.A. $1000: N.M.'s "Very Large Array" is aptly named world's largest array of these astronomy devices radio telescopes |
| #360, aired 1986-01-24 | ASTRONOMY $100: Winds reach over 900 MPH on this giant neighbor of Jupiter Saturn |
| #360, aired 1986-01-24 | ASTRONOMY $200: Most meteors are bits of debris left by these passing by comets |
| #360, aired 1986-01-24 | ASTRONOMY $300: Energy the sun emits in this time unit is 13 million times the energy used in the U.S. daily one second |
| #360, aired 1986-01-24 | ASTRONOMY $400: Since 1979, this planet, not Pluto, is furthest from the sun Neptune |
| #360, aired 1986-01-24 | ASTRONOMY $500: It would take an Apollo spacecraft over 100,000 years to reach this nearest star to the sun Alpha Centauri |
| #340, aired 1985-12-27 | ASTRONOMY $200: Most major stars' names are from Greek, Latin, or this Middle Eastern language Arabic |
| #340, aired 1985-12-27 | ASTRONOMY $400: Neighbor of Uranus, it's only about 1/2 as dense as Earth Neptune |
| #340, aired 1985-12-27 | ASTRONOMY $600: Because of planetary pull, all comets travel in orbits of this oval shape ellipse |
| #340, aired 1985-12-27 | ASTRONOMY $1000: A solar eclipse can only take place when the moon is in this phase new |
| #340, aired 1985-12-27 | ASTRONOMY $3,000 (Daily Double): Most asteroids are found between the orbits of these 2 planets Mars & Jupiter |
| #270, aired 1985-09-20 | ASTRONOMY $200: Common name of the Aurora Borealis the Northern Lights |
| #270, aired 1985-09-20 | ASTRONOMY $400: Since ancient Greece, their brightness has been measured in magnitude stars |
| #270, aired 1985-09-20 | ASTRONOMY $600: His book "Sidereus Nuncius" on telescope use was a best seller of 1610 Galileo |
| #270, aired 1985-09-20 | ASTRONOMY $800: The Perseids of August & the Taurids of November are showers of these meteors |
| #270, aired 1985-09-20 | ASTRONOMY $1000: During this, irregularities of the moon's edge cause what are called Baily's Beads solar eclipse |
| #168, aired 1985-05-01 | ASTRONOMY $100: The Sun, plus all the celestial bodies revolving around it a Solar System |
| #168, aired 1985-05-01 | ASTRONOMY $200: The only space satellite whose features could be observed prior to the invention of the telescope the Moon |
| #168, aired 1985-05-01 | ASTRONOMY $300: Bowl-shaped cavity left by a meteorite impact a crater |
| #168, aired 1985-05-01 | ASTRONOMY $400: Moon's phase when the side facing the Earth is completely dark a new moon |
| #163, aired 1985-04-24 | ASTRONOMY $100: 3rd planet from the Sun the Earth |
| #163, aired 1985-04-24 | ASTRONOMY $200: From Greek "to omit", the partial or total obscuring of one celestial body by another an eclipse |
| #163, aired 1985-04-24 | ASTRONOMY $300: Theory that a massive explosion started the universe the Big Bang |
| #163, aired 1985-04-24 | ASTRONOMY $400: Approximately 5.88 trillion miles a light-year |
| #163, aired 1985-04-24 | ASTRONOMY $500: From Greek "long-haired", they have tails up to a hundred million miles a comet |
| #153, aired 1985-04-10 | ASTRONOMY $200: Only star in northen hemisphere sky that never appears to move Polaris (north star) |
| #153, aired 1985-04-10 | ASTRONOMY $400: In 1980-81, this planet was found to have 14 small moons besides its 9 larger ones Saturn |
| #153, aired 1985-04-10 | ASTRONOMY $600: Polish astronomer who was 1st to theorize earth isn't the center of the universe (Nicolaus) Copernicus |
| #153, aired 1985-04-10 | ASTRONOMY $800: Compass needles are always attracted to this spot in northern Canada magnetic north pole |
| #153, aired 1985-04-10 | ASTRONOMY $1000: Mentioned 3 times in the Bible, this constellation is named for a legendary Greek hunter Orion |
| #105, aired 1985-02-01 | ASTRONOMY $200: The brightest object in the Earth's night sky the moon |
| #105, aired 1985-02-01 | ASTRONOMY $400: Noticed for 100 years, but thought to be a star, this 7th planet was discovered in 1781 Uranus |
| #105, aired 1985-02-01 | ASTRONOMY $600: Exploded star, or a Chevrolet car a nova |
| #105, aired 1985-02-01 | ASTRONOMY $800: Word meaning "mist", it comes in shapes like crab, veil and ring nebula |
| #105, aired 1985-02-01 | ASTRONOMY $1000: The center of Ptolemy's universe the Earth |
| #90, aired 1985-01-11 | MUSICAL ASTRONOMY $100: Francis Scott Key wrote it "The Star-Spangled Banner" |
| #90, aired 1985-01-11 | MUSICAL ASTRONOMY $200: Tevye's dawn to dusk lament of time passing "Sunrise, Sunset" |
| #90, aired 1985-01-11 | MUSICAL ASTRONOMY $300: In 1983 it happened to the sun & Bonnie Tyler's heart a total eclipse |
| #90, aired 1985-01-11 | MUSICAL ASTRONOMY $400: Grace Slick has rejoined this "intergalactic" band the Jefferson Starship |
| #90, aired 1985-01-11 | MUSICAL ASTRONOMY $500: "Hair's" "Gliddy glup gloopy, nibby nabby noopy, la la la lo lo" "Good Morning Starshine" |
| #59, aired 1984-11-29 | ASTRONOMY $100 (Daily Double): To nearest ½ day, time it takes Moon to orbit Earth 29 and a half |
| #59, aired 1984-11-29 | ASTRONOMY $200: Second largest planet in the solar system Saturn |
| #59, aired 1984-11-29 | ASTRONOMY $400: Stars forming patterns as seen from Earth, such as Orion a constellation |
| #59, aired 1984-11-29 | ASTRONOMY $600: From Greek for "milk", a system of stars such as the Milky Way galaxies |
| #59, aired 1984-11-29 | ASTRONOMY $800: The Inquisition forced him to retract his belief the Earth orbits the Sun Galileo |
| #41, aired 1984-11-05 | ASTRONOMY $200: Though not Communist, it's known as the red planet Mars |
| #41, aired 1984-11-05 | ASTRONOMY $400: 1 of 2 seasons of the year we're in when the sun is "north of the Equator" summer (or spring) |
| #41, aired 1984-11-05 | ASTRONOMY $800: Galileo discovered 4 of this planet's 16 moons Jupiter |
| #41, aired 1984-11-05 | ASTRONOMY $1,000 (Daily Double): Star followed in this song of escape from slavery:
"Follow the drinkin' gourd / Follow the drinkin' gourd / For the old man is a-waiting..." the North Star (Polaris) |
| #41, aired 1984-11-05 | ASTRONOMY $1000: This well-known So. Hemisphere constellation appears on flags of Australia & New Zealand the Southern Cross |
| #3, aired 1984-09-12 | ASTRONOMY $200: Self-luminous gaseous body, or Hollywood "celeb" a star |
| #3, aired 1984-09-12 | ASTRONOMY $400: The evening or morning "star" is really this planet Venus |
| #3, aired 1984-09-12 | ASTRONOMY $600: Planet once thought unique, it no longer runs "rings" around its neighbors Saturn |
| #3, aired 1984-09-12 | ASTRONOMY $800: Launched Oct. 4th, 1957, it was Earth's 1st artificial satellite Sputnik |
| #3, aired 1984-09-12 | ASTRONOMY $1000: Only planet to have seasons similar to Earth's Mars |
