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  History changed on October 4,1957 when the soviet union successfully launched sputnik.
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  In 1957,laika became the animal launched into orbit, paving the way for human spaceflight.
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  The satellite was supposed to launch as the united states ' contribution to science during international geophysical year (which ran from 1957 - 1958).
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  The luna programme (from the Russian word "Luna" meaning "Luna" or "moon").
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  On April 1961,russian cosmonaut Yuri Gagarin became the first human to travel into space when he launched into orbiton the vostok 3KA-3 spacecraft (vostok1).
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  Extravehicular activity (EVA) is any activity done by
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  Soviet cosmonaut Valentina Tereshkova became the first women to fly to space when she launched on the Vostok 6 missionjune16,1963
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