The Sputnik 13 satellite was launched on October 24, 1962, from the Baikonur Cosmodrome in Kazakhstan. It was the thirteenth artificial satellite to be launched into Earth's orbit and the first of the Sputnik series of satellites. The satellite was designed to
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Sputnik 1, often referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries became depleted. Aerodynamic drag caused it to fall back into the atmosphere on 4 January 1958.