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First Spacecraft ever sent into a orbit around the world.
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USSR launches Sputnik 2 which carried a small dog named Laika into orbit. Died in space, there was no way for her to return at the time.
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Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.
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Sputnik 3 is launched.
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Luna 1 is launched by the USSR. It is the first man made object to orbit the Sun.
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Luna 3 orbits the Moon and photographs 70% of its surface.
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The US launches Discoverer XIV, its first camera equipped spy satellite.
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Yuri Gagarin orbits the Earth once and becomes the first man in space.
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John Glenn orbits the Earth three times.
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Cosmonaut Valentia Tereshkova becomes the first woman in space.
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Alexei Leonov spends 12 minutes outside of his spacecraft performing the first spacewalk.
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Surveyor 1 soft-lands on the Moon.
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Frank Borman, James Lovell, and William Anders begin the first manned journey from the Earth to the Moon. On Christmas Eve they take turns reading Genesis in a broadcast heard around the world.
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Neil Armstrong and Edwin Aldrin become the first men to walk on the Moon while Michael Collins orbits around the Moon alone.
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Apollo 17 was first and last time U.S used a Lunar Rover. The Mission consisted of one scientist.