Laika (1954 – 3 November 1957), was a female husky dog and the first animal to orbit the Earth. The purpose of sending a dog into space was to gather data about the behavior of living organisms in a space environment. Laika was launched in the Sputnik 2 satellite on November 3, 1957. Sputnik 2 was not designed to return to Earth. Laika died while Sputnik 2 was in orbit around the Earth after her oxygen supply was used.:22 Information from the flight led to the discovery of solar and cosmic radiation.
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