The Soviet Union's Sputnik 1 satellite took to the skies on Oct. 4, 1957, launching the space age and the Cold War space race. Here are a few fun facts you may not know about Sputnik 1 and its brief but world-changing mission.
Sputnik 1! 7 Fun Facts About Humanity's First Satellite : Read more
Sputnik 1! 7 Fun Facts About Humanity's First Satellite : Read more
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