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The first official satellite to be in Earth's orbit.
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A soviet space dog that beccame the first animal to orbit our Earth.
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Explorer 1 was the first American satellite to reach orbit , it carried equipment that lead to the discovery of radiation.
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The Vanguard 1 satellite is launched and It functioned for 3 years.
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NASA is formed replacing the National Advisory Committee on Aeronautics
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Luna 1 is launched and became the first man made thing to orbit the sun.
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Luna 2 is launched and It hits the Moon on September 1and it was the first man-made object to do that.
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Yuri Gagarin orbits the Earth once and becomes the first man in space
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Alan B. Shepard becomes the first American in space.
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Mariner 2 flies past Venus and enters a solar orbit.
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L. Gordon Cooper spends 34 hours in space. He is the last American to fly in space alone.
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Venus 3 is launched. It becomes the first man made object to land on Venus
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Luna 10 becomes the first satellite to orbit the Moon
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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.
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Apollo 17's return from the moon
