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Sputnik 1 is the first object launched into space, and to orbit Earth.
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The first United States satellite to orbit Earth is launched. [Explorer 1]
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nasa is birthed
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The firstt russian in space (orbits the earth)
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Alan shepard is the first american to go into space
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John Glenn is the first United States citizen to orbit the Earth
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Neil Armstrong is the first man to walk on the moon, Edwin "Buzz" Aldrin is the second man, as Armstrong's crew member.
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The First American space shuttle is launched
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the space shuttle challenger explodes shortly after takeoff
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Human habitation in International Space Station begins
