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Sputnik 2 carried a small dog named Laika into orbit
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Explorer 2 is launced but it fails to reach orbit.
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The "Mercury Seven" astronauts are selected by NASA.
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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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A third group of NASA astronauts is selected.
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Astronaut Theodore Freeman dies in a plane crash.
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Mariner 4 returns close ranger images of Mars.
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Luna 10 becomes the first satellite to orbit the Moon
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The crew of Apollo 7 begin a 10 day mission to study the new spacecraft.
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Neil Armstrong and Edwin "Buzz" Aldrin become the first men to walk on the Moon while crewmate Michael Collins orbits around the Moon alone.