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History, 25.11.2021 14:10 felicityhanson1252

Sputnik was the first unmanned satellite launched into orbit in 1957. During which decade were manned satellites first sent into orbit? 1970s 1960s 1950s 1940s.

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Sputnik was the first unmanned satellite launched into orbit in 1957. During which decade were manne...
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