This event marks the launch of the Sputnik 7 satellite, which was launched by the Soviet Union on October 24, 1960. This satellite was the first in a series of satellites launched by the Soviets as part of the Sputnik program. The satellite was designed to measure the Earth's
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Sputnik 3 was a Soviet satellite launched on 15 May 1958 from Baikonur Cosmodrome by a modified R-7/SS-6 ICBM. The scientific satellite carried a large array of instruments for geophysical research of the upper atmosphere and near space.