Question

the first artificial satellite ______ was sent to space by Soviet union

Answer 1

iAccording to me
Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957, orbiting for three weeks before its batteries died, then silently for two more months before falling back into the atmosphere. 
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Answer 2

On this day in 1957humans sent their first satellite in to space. sputnik 1,named after the Russian word for satellite was lunched by the soviet union

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