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Robert H. Goddard flies the first liquid fueled rocket.
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The first space craft to cross the Karman line/enter outer space
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The first U.S. space craft reaches the edge of space
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The first pictures of Earth from space
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The first animals go to space (fruit flies)
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Laika a dog, is the first animal in orbit
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First photo of Earth from obrit is taken
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First photos of the far side of the moon
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The first plants and animals return to Earth alive from orbit
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The first human crew in orbit
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The first Venus soild and sound sample
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The first photo of the whole solar system is taken
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First returned sample from a comet
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First returned sample from an asteroid
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First probe to land on a comet