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Period: to
Space Exploration(:
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Sputnik 1
Was the first artificial satellite in space. -
Alan B. Shepard
Became the first U.S. citizen in space -
John Glenn
Was the first U.S. citizen to orbit Earth -
Mariner 2
Mariner 2 verified high temperatures in Venus's atmospheres. -
Surveyor
Landed gently on the Moon's surface, indicating that the Moon's surface xould support spacecraft and humans. -
Neil Amrstrong
First human to set foot on the Moon. -
Pioneer 10
Pioneer 10 sent back photos of Jupiter and it was the first probe to encounter an outer planet. -
Mariner 10
Mariner 10 obtained the first good images of the surface of Mercury. -
Viking 1
Viking 1 orbiter mapped the surface of mars; lander searched for life on Mars. -
Voyager 1 and Voyager 2
Voyager 1 flew past Jupiter and Saturn, Voyager 2 flew past Jupiter, Saturn, Uranus, and Neptune. These probes will explore beyond the solar system as part of the Voyager Interstellar Mission, -
Galileo
Galileo reached Jupiter in 1995. Then in July 1995 it released a smaller probe. -
Magellan
Magellan mapped Venus's surface and returned data on the composition of Venus's atmosphere.