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Sputnik 1, the first artificial satellite to orbit Earth, was launched on 4 October 1957. How long did it stay in orbit?
What was the first object launched into space that was made by humans?
In June 1963, which former textile worker and amateur skydiver became the first woman to have flown in space, on Vostok 6?
If Mariner 4 was the first spacecraft to fly past Mars, which planet was first photographed and approached by Pioneer 10?
The first private human spaceflight took place on-------