scientific satellites

How Many Missions Did The Soviet Space Program Have?

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How Many Missions Did The Soviet Space Program Have? This resulted in the Vostok program, which officially ran from 1961 to 1963 and consisted of six missions. These included the launch of the first man to space on April 12th, 1961 (Vostok-1) and the first woman (Valentina Tereshkova, Vostok 6) on June 16th, 1963. How

Is Sputnik 1 Still In Space?

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Is Sputnik 1 Still In Space? The signals continued for 21 days until the transmitter batteries ran out on 26 October 1957. Sputnik 1 burned up on 4 January 1958 while reentering Earth’s atmosphere, after three months, 1,440 completed orbits of the Earth, and a distance travelled of about 7.0×107 km (4.3×107 mi). What is