Did the Sputnik Dog Live?

Laika had actually survived only about five to seven hours after liftoff before dying of overheating and panic. It was belatedly made known that Laika's pulse rate, which had been measured with electrodes, tripled during takeoff and only came down somewhat during weightlessness.

Did the first dog in space live?

Laika (Russian: Лайка; c. 1954 – 3 November 1957) was a Soviet space dog who became one of the first animals in space, and the first animal to orbit the Earth. ... Laika died within hours from overheating, possibly caused by a failure of the central R-7 sustainer to separate from the payload.

Did Laika the dog come back to earth?

Sputnik 2 was a suicide mission for the poor dog; the satellite was not designed to come safely back to Earth. Telemetry data showed that Laika survived the launch, according to Anatoly Zak of RussianSpaceWeb.com. Initially, Soviet publications claimed that the dog died, painlessly, after a week in Earth orbit.