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Konstantin Tsiolkovsky


 

Konstantin Eduardovich Tsiolkovsky (Konstanty Cio?kowski), (?????????? ?????????? ???????????; September 5, 1857 new styleSeptember 19, 1935) was a Russian rocket scientist and pioneer of cosmonautics who spent most of his life in a log-house at the outskirts of the Russian town of Kaluga.

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