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This week in history: Sputnik I

Friday, 04 October 2019 by

On this day in 1957, Sputnik I became the first artificial satellite to orbit the Earth. The beachball-sized Soviet machine circled the planet in a low elliptical orbit for three weeks before its batteries finally died. Then it continued for two more months before finally falling back into the atmosphere. The unexpected success of Sputnik

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