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The first spotting of the moon through a telescope by Galileo Galilei
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Robert H. Goddard launches first liquid fueled rockets
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Hermann Oberth launches first personal rocket with students
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Soviet Union launches first rocket of there own
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First research flight launched by the U.S. captured by the V-2 space rocket
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First animals launched into space (fruit flies) by the U.S..
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The Soviet Union launched the first satellite, Sputnik, into space.
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First artificial satellite to reach the Moon vicinity and first artificial satellite in heliocentric orbit.
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First picture of another planets far side view. The picture is a picture of the moon.
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First plants and animals to return alive from Earth orbit.
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First Saturn flyby at 21,000 km, first photographs of Titan from Space.
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First Venus soil samples & sound recording of another world
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First flyby of dwarf planet (Pluto).
Last original encounter with one of the nine major planets recognized in 1981. -
Lettuce was the first food eaten that was grown in space.