The Soviet Union sent into space dog, the Brave and the Snowflake

The Soviet Union sent into space dog, the Brave and the Snowflake. Brave (ex-Cusack) and snowflake (subsequently renamed Pearl, and then — in the Start) made a successful flight on the R-2A on 2 July (some July 8), 1959. Also with dogs in the cabin were rabbit Grey (aka Martuska). The rabbit was plastered tightly fixed on the head and neck relative to the torso. It was necessary for accurate filming of his eye pupil. In the experiment, a defined muscle tone direct muscles of the eye. The thus obtained material showed a decrease in muscle tone in conditions of complete weightlessness.

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