Explorer 1
On October 4, 1957, the Soviets launched the first satellite to reach earth orbit: Sputnik 1. The American government tried to downplay the event, but in actuality began aggressively pursui...
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Explorer 1
Launched January 31, 1958 Reentered Earth“s atmosphere March 31, 1970
Spurred by the launch of the Soviet Union’s Sputnik satellite, the United States pursued two space progra...
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Explorer 1
Explorer 1