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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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First research flight launched by the U.S. captured by the V-2 space rocket.
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First animal launched into orbit, dog named Laika launched by USSR and did not return alive.
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First ballistic missile produced by the USSR.
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First human spaceflight (Yuri Gagarin)/
First orbital flight of a manned vehicle -
First solar powered sattilite.
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First extra-vehicular activity (space walk)
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First humans on the Moon
First space launch from another celestial body -
First soft Mars landing
First signals from Mars surface -
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First Reusable manned spacecraft (orbital)
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First untethered spacewalk, Bruce McCandless II
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First consistently inhabited long-term research space station
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First multinational space station,
Largest man-made object built in space to date -
Lettuce was the first food eaten that was grown in space
