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1609 The beginning
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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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First German military liquid fueled rockets developed
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First artificial satellite put into space that brings back signals to earth launched by the USSR
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First rocket launched into earths orbit by the USSR
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First photograph of the earth from the earth's orbit by U.S. NASA
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First human spaceflight and complete orbital flight
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First artificial satellite around another world (moon) purposed by USSR
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First human on moon by the U.S. successful!
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First reusable manned spacecraft by U.S.
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First spacecraft beyond the orbit of Neptune by U.S. NASA
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First photograph of the whole solar system by U.S. NASA
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The Hubble Space Telescope was launched into orbit by NASA U.S.
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NASA rover successfully lands on mars to seek out life-clues by U.S. NASA
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Present Day
Findings and advancements up to this point.