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Galileo Galilei created the telescope to be able to see the moon
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Galileo Discover Jupiters moon and The milky way trough a mily way
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Russain rocket scientist Konstantin Tsiolkovsky published The exploartion of cosmic science
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U.S. rocket scientist t Robert H. Goddard launches the first liquid fueled rocket
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after two previous failures, Germany successfully launches their V-2 rocket. It is the first man-made object to achieve sub-orbital spaceflight
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The USSR beat the United States into space by launching Sputnik 1. At 184 pounds, it was the world's first artificial satellite.
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First animal into orbit to see how space was Laika the Dog
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The National Aeronautics and Space Administration (NASA) is founded, taking over the responsibilities of the existing National Advisory Committee on Aeronautics.
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fisrt rocket fired to earth orbit and escaped earth velocity and discoverd solar wind
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usa,esa, and uk-serc invloed on the First real time remotely operated ultraviolet orbital observatory
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First spacecraft beyond the orbit of Neptune (first spacecraft to pass beyond all Solar System planets)
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Kepler Mission is launched, first space telescope designated to search for Earth-like exoplanets[
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Radio orbital observatory. Largest space observatory ever launched.
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esa has the First manmade probe to land on a comet