The Luna 2 spacecraft by the Soviet Union became the first human-made artifact to land on the moon’s surface.
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The Soviet Union launched the first crewed Soyuz mission, Soyuz 1.
NASA's Challenger Space Shuttle was launched from Florida on its maiden voyage.
After 14 years in space, NASA's Galileo spacecraft was intentionally destroyed in Jupiter's atmosphere.
NASA's Mars Odyssey completed its 60,000th orbit around Mars.
The TIROS satellite transmitted the first-ever TV picture from space.
