What was the plan for Sputnik II? will give brain list

The mission provided scientists with the first data on the behavior of a living organism in the space environment. Although the time between Sputniks 1 and 2 was only 32 days, the plan to launch a dog was planned more than a year in advance.

It contained several compartments for radio transmitters, a telemetry system, a programming unit, a regeneration and temperature control system for the cabin, and scientific instruments. A separate sealed cabin contained the experimental dog Laika.PS 2 had the primary goal to launch a living animal into orbit, but recovery was not planned. The PS-2 satellite consisted of three units mounted in a conical frame, with a total mass of 508 kg. On top was an experiment container, which carried instruments to measure solar x-ray and far ultraviolet radiation

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