| #9057, aired 2024-03-12 | UNMANNED SPACE EXPLORATION $400: In 1997, Pathfinder parachuted onto Mars, and cushioned its land with these, also a safety feature in your Buick airbags |
| #9057, aired 2024-03-12 | UNMANNED SPACE EXPLORATION $800: In the 1990s this spacecraft named for a Portuguese explorer mapped almost the entire surface of Venus Magellan |
| #9057, aired 2024-03-12 | UNMANNED SPACE EXPLORATION $1200: On July 4, 2005 Deep Impact slammed a probe into Tempel 1, one of these, creating a giant crater & a brilliant flash of light a comet |
| #9057, aired 2024-03-12 | UNMANNED SPACE EXPLORATION $1600: The New Horizons spacecraft discovered that the surface of this largest moon of Pluto was mostly dirty water ice Charon |
| #9057, aired 2024-03-12 | UNMANNED SPACE EXPLORATION $2000: The Dawn spacecraft found a peak over 12 miles high when it reached this second-largest object in the asteroid belt (after Ceres) Vesta |
| #6976, aired 2015-01-05 | UNMANNED SPACE EXPLORATION $400: In 2014 the Rosetta spaceship's Philae Probe landed on one of these tailed bodies 310 million miles from Earth a comet |
| #6976, aired 2015-01-05 | UNMANNED SPACE EXPLORATION $800: This Pasadena, California lab has been helping design U.S. spacecraft since Explorer 1 in 1958 the Jet Propulsion Lab |
| #6976, aired 2015-01-05 | UNMANNED SPACE EXPLORATION $2000: The Cassini-Huygens probe has discovered a body of water the size of Lake Superior on this planet's moon Enceladus Saturn |
| #5880, aired 2010-03-19 | UNMANNED SPACE EXPLORATION $400: On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet Halley's Comet |
| #5880, aired 2010-03-19 | UNMANNED SPACE EXPLORATION $800: In 1989 Magellan became the first probe launched from a Shuttle when Atlantis sent it on its way to this, Earth's twin Venus |
| #5880, aired 2010-03-19 | UNMANNED SPACE EXPLORATION $1600: In 2005 the Huygens Probe landed on this largest moon of Saturn, revealing a world that rains liquid methane Titan |
| #5880, aired 2010-03-19 | UNMANNED SPACE EXPLORATION $2,000 (Daily Double): The most distant manmade object, this probe launched in 1977 may travel to interstellar space in 2020 Voyager |
| #5880, aired 2010-03-19 | UNMANNED SPACE EXPLORATION $2000: In 1976, within 3 months, 2 U.S. spacecraft by this name soft-landed on the surface of Mars Viking |
| #5228, aired 2007-05-09 | SPACE EXPLORATION $200: On April 24, 1970 this country launched its first satellite, Mao 1 China |
| #5228, aired 2007-05-09 | SPACE EXPLORATION $400: In 2011 MESSENGER is scheduled to orbit this planet named for a messenger god Mercury |
| #5228, aired 2007-05-09 | SPACE EXPLORATION $800: In 1998 a craft named for him photographed volcanic plumes on Io, a Jovian moon he discovered in 1610 Galileo |
| #5228, aired 2007-05-09 | SPACE EXPLORATION $1000: Launched in 1977, this spacecraft is the most distant manmade object at more than 9.5 billion miles from Earth Voyager |
| #5228, aired 2007-05-09 | SPACE EXPLORATION $1,400 (Daily Double): This spacecraft whose name is from Greek for "origin" collected solar wind particles & then returned to Earth Genesis |
| #5076, aired 2006-10-09 | SPACE EXPLORATION $200: Launched in 1989, the Magellan spacecraft later radar-mapped most of the surface of this planet, Earth's twin Venus |
| #5076, aired 2006-10-09 | SPACE EXPLORATION $400: Gus Grissom's Gemini 3 capsule aptly had this "unsinkable" lady's name (his Mercury 4 capsule had sunk) Molly Brown |
| #5076, aired 2006-10-09 | SPACE EXPLORATION $600: On July 20, 1969 this lunar module separated from the Apollo 11 spacecraft & landed on the Moon the Eagle |
| #5076, aired 2006-10-09 | SPACE EXPLORATION $1000: In 2005 the Hubble Space Telescope found 2 more small moons orbiting this, making 3, including Charon Pluto |
| #5076, aired 2006-10-09 | SPACE EXPLORATION $1,400 (Daily Double): In 1986 5 spacecraft rendezvoused with this object, Giotto came within 400 miles of its nucleus Halley's Comet |
| #4008, aired 2002-01-23 | SPACE EXPLORATION $400: In 1986 2 Japanese spacecraft, Suisei & Sakigake, encountered this comet Halley's Comet |
| #4008, aired 2002-01-23 | SPACE EXPLORATION $800: Gordon Cooper's 22-orbit mission in May 1963 was the last in the U.S. program with the name of this planet Mercury |
| #4008, aired 2002-01-23 | SPACE EXPLORATION $1200: (Hi, I'm Jim Reilly of the STS-104 crew aboard the space shuttle Atlantis.) The space station is going to eventually have an acre of these assembled to complete the supply of electrical power to its 6 orbiting laboratories solar panels |
| #4008, aired 2002-01-23 | SPACE EXPLORATION $1600: This Russian woman had no experiences as a pilot prior to being trained as a cosmonaut in 1961 Valentina Tereshkova |
| #4008, aired 2002-01-23 | SPACE EXPLORATION $2000: Of NASA's first 5 space shuttles, it was the last to make its debut launch--in 1992 Endeavour |
| #3736, aired 2000-11-27 | SPACE EXPLORATION $100: In February 1972 a Soviet spacecraft soft-landed here & then returned rock samples to the Earth Moon |
| #3736, aired 2000-11-27 | SPACE EXPLORATION $200: In March 1986 5 spacecraft made fly-bys of this comet Halley's Comet |
| #3736, aired 2000-11-27 | SPACE EXPLORATION $300: On February 14, 1990, it took its final photo from 3.7 billion miles: of the sun & 6 planets, including the Earth Voyager |
| #3736, aired 2000-11-27 | SPACE EXPLORATION $400: This country's Nozomi, or "Hope", spacecraft is due to go into orbit around Mars in December 2003 Japan |
| #3736, aired 2000-11-27 | SPACE EXPLORATION $500: In 1958 Explorer I discovered these radiation bands surrounding the Earth Van Allen Belts |
| #3551, aired 2000-01-31 | SPACE EXPLORATION $100: In 1959 the Soviet Union's Luna 3 became the first space probe to photograph the far side of this celestial body the Moon |
| #3551, aired 2000-01-31 | SPACE EXPLORATION $200: In 1984 Bruce McCandless became the first human to perform an untethered EVA, which stands for this extravehicular activity |
| #3551, aired 2000-01-31 | SPACE EXPLORATION $300: (Hi, I'm Commander Charlie Precourt aboard space shuttle Discovery.) The 1st U.S.-Russian space venture was the 1975 Apollo linkup with this spacecraft named for the Russian word "union" Soyuz |
| #3551, aired 2000-01-31 | SPACE EXPLORATION $400: In June 1963 she orbited 48 times in 70 hours, 50 minutes Valentina Tereshkova |
| #3551, aired 2000-01-31 | SPACE EXPLORATION $500: After its July 4, 1997 landing on Mars, this lander was renamed the Carl Sagan Memorial Station Pathfinder |
| #3427, aired 1999-06-29 | SPACE EXPLORATION $200: This country's first satellite, launched April 24, 1970, was the Mao I China |
| #3427, aired 1999-06-29 | SPACE EXPLORATION $400: Nickname of the lunar module that landed on the moon in the Apollo 11 flight the Eagle |
| #3427, aired 1999-06-29 | SPACE EXPLORATION $600: In 1981 this first space shuttle became the first U.S. spacecraft to end its mission by landing on terra firma Columbia |
| #3427, aired 1999-06-29 | SPACE EXPLORATION $800: On December 10, 1993 astronauts successfully repaired this while in orbit the Hubble Space Telescope |
| #3427, aired 1999-06-29 | SPACE EXPLORATION $1000: In 1966 Venera 3 crash-landed on this planet, thus becoming the first space probe to physically touch another planet Venus |
| #2783, aired 1996-10-09 | SPACE EXPLORATION $200: Of 21, 33 or 75 hours, the longest man has stayed on the moon 75 |
| #2783, aired 1996-10-09 | SPACE EXPLORATION $400: In February 1996 NASA launched NEAR, a probe, designed to rendezvous with Eros, one of these minor planets an asteroid |
| #2783, aired 1996-10-09 | SPACE EXPLORATION $800: In 1981, for his 5th space flight, John Young flew on this 1st shuttle to go into orbit the Columbia |
| #2783, aired 1996-10-09 | SPACE EXPLORATION $1000: In 1974 Carr, Gibson & Pogue were the last crew to serve in this craft; they spent over 2,000 hours there Skylab |
| #2783, aired 1996-10-09 | SPACE EXPLORATION $1,200 (Daily Double): The last mission in this U.S. series was manned by Jim Lovell & Buzz Aldrin Gemini |
| #2198, aired 1994-03-09 | SPACE EXPLORATION $200: It owns all of the Apollo capsules & loans them out to other museums around the world the Smithsonian |
| #2198, aired 1994-03-09 | SPACE EXPLORATION $400: In June 1985 the U.S. sent a prince from this country into space Saudi Arabia |
| #2198, aired 1994-03-09 | SPACE EXPLORATION $600: The Russian equivalent of this U.S. craft is the Buran, which can fly by remote control the Space Shuttle |
| #2198, aired 1994-03-09 | SPACE EXPLORATION $800: It was the Soviet successor to the Salyut Space Station Mir |
| #2198, aired 1994-03-09 | SPACE EXPLORATION $1000: The last Saturn V moon rocket used to put this into orbit May 14, 1973 Skylab |
| #2053, aired 1993-07-07 | SPACE EXPLORATION $200: After his 3-orbit Mercury flight in February 1962, he was sweating profusely & appeared fatigued John Glenn |
| #2053, aired 1993-07-07 | SPACE EXPLORATION $400: In 1966 Edwin Aldrin & James Lovell were the last 2 launched in this program Gemini |
| #2053, aired 1993-07-07 | SPACE EXPLORATION $600: Apollo 17's lunar module had the same name as this ill-fated space shuttle Challenger |
| #2053, aired 1993-07-07 | SPACE EXPLORATION $800: 3 crews of 3 astronauts each occupied this U.S. space station in 1973 & 1974 Skylab |
| #2053, aired 1993-07-07 | SPACE EXPLORATION $1000: 3 astronauts & 2 cosmonauts linked up in orbit in this 1975 project Apollo-Soyuz |
| #1729, aired 1992-02-20 | SPACE EXPLORATION $200: 1 of 3 astronauts to whom Richard Nixon awarded the Presidential Medal of Freedom in 1969 (Neil) Armstrong (or Buzz Aldrin or Michael Collins) |
| #1729, aired 1992-02-20 | SPACE EXPLORATION $400: In 1971 this man who 1st flew in space in 1961 became the 1st astronaut promoted to rear admiral Alan Shepard |
| #1729, aired 1992-02-20 | SPACE EXPLORATION $800: U.S. astronauts are trained at this center about 25 miles southeast of downtown Houston the Johnson Space Center |
| #1729, aired 1992-02-20 | SPACE EXPLORATION $1000: Although one of the original astronauts, Deke Slayton didn't fly until this joint U.S.-Soviet mission in 1975 the Apollo-Soyuz mission |
| #1729, aired 1992-02-20 | SPACE EXPLORATION $2,000 (Daily Double): NASA was created by an act of Congress signed by this president Dwight D. Eisenhower (Ike) |
| #1546, aired 1991-04-29 | SPACE EXPLORATION $200: Using laser reflectors left there 20 years ago, scientists have found it's receding from the Earth the Moon |
| #1546, aired 1991-04-29 | SPACE EXPLORATION $400: In 1965, Edward White did this 1st for the U.S. & it lasted 20 minutes, longer than the 1st American was in space a spacewalk |
| #1546, aired 1991-04-29 | SPACE EXPLORATION $600: Sputnik 1 went up empty; Sputnik 2 had Laika, one of these, inside a dog |
| #1546, aired 1991-04-29 | SPACE EXPLORATION $800: In 1973, Owen Garriott spent 59 days aboard this Skylab |
| #1546, aired 1991-04-29 | SPACE EXPLORATION $1000: Named for a 16th c. explorer, on May 4, 1989, it became the 1st planetary mission launched from a shuttle Magellan |
| #1526, aired 1991-04-01 | SPACE EXPLORATION $200: This Russian word is from the Greek for "sailor of the universe" cosmonaut |
| #1526, aired 1991-04-01 | SPACE EXPLORATION $400: On March 23, 1965 Gus Grissom & John Young became the 1st pair to orbit in this new space project Gemini |
| #1526, aired 1991-04-01 | SPACE EXPLORATION $800 (Daily Double): While Neil Armstrong & Edwin Aldrin explored the moon, he orbited about 70 miles above (Michael) Collins |
| #1526, aired 1991-04-01 | SPACE EXPLORATION $800: It's the only planet not yet encountered by a space probe Pluto |
| #1526, aired 1991-04-01 | SPACE EXPLORATION $1000: The European Space Agency designed this 3-stage rocket to launch its payloads the Ariane |
| #1437, aired 1990-11-27 | SPACE EXPLORATION $200: A ruptured oxygen tank forced this "unlucky" manned craft to cancel its moon landing in 1970 Apollo 13 |
| #1437, aired 1990-11-27 | SPACE EXPLORATION $400: In 1965 this European country became the 3rd nation to launch a satellite into Earth's orbit France |
| #1341, aired 1990-06-04 | SPACE EXPLORATION $200: The USSR's Venera 13 & 14 spacecraft first analyzed samples of this planet's surface in 1982 Venus |
| #1341, aired 1990-06-04 | SPACE EXPLORATION $400: This manned vehicle is also known as the Space Transportation System the Space Shuttle |
| #1341, aired 1990-06-04 | SPACE EXPLORATION $600: Titan II rockets propelled these 2-man capsules into Earth orbit in the 1960s Gemini |
| #1341, aired 1990-06-04 | SPACE EXPLORATION $800: Parts of this U.S. space station crashed down on the Indian Ocean & Australia on July 11, 1979 Skylab |
| #1341, aired 1990-06-04 | SPACE EXPLORATION $1000: The 2 U.S. spacecraft that soft-landed on Mars in 1976 were both named this Viking |
| #1212, aired 1989-12-05 | SPACE EXPLORATION $200: In 1962 the Russians sent a probe toward this planet but lost contact with it; in 1988, same thing Mars |
| #1212, aired 1989-12-05 | SPACE EXPLORATION $400: Apollo 11 landed in this "Sea" the Sea of Tranquility |
