On September 17, 1857, the great scientist Konstantin Eduardovich Tsiolkovsky was born.


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On September 17, 1857, the great scientist Konstantin Eduardovich Tsiolkovsky was born.
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On September 17, 1857, the great scientist Konstantin Eduardovich Tsiolkovsky was born. - Longpost, Rocket, Space, Inventors, Konstantin Tsiolkovsky, Birthday, The science, Scientists
Birthday Inventors Konstantin Tsiolkovsky Space The science Rocket Scientists
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