Korabl-Sputnik 5 (Russian: Корабль-Спутник 5 meaning Ship-Satellite 5) or Vostok-3KA No.2, also known as Sputnik 10 in the West, was a Soviet spacecraft .\r
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Sputnik 1 (Russian: Спу́тник-1 Satellite-1,) was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957.\r
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During the 1950s and 1960s the USSR used dogs for sub-orbital and orbital space flights to determine whether human spaceflight was feasible. In this period .
