Sputnik Launched
Sputnik 1 (Russian: "Спутник-1", "Satellite-1", or literally "Co-pather-1" byname ПС-1 (PS-1, i.e. "Простейший Спутник-1", or Elementary Satellite-1)) was the first artificial satellite to be put into outer space. Launched into geocentric orbit by the Soviet Union on October 4, 1957, it was the first of a series of satellites collectively known as the Sputnik program.
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