Labels:bulletin board | crt screen | envelope | monitor | plant | sky | tv | windowpane OCR: The formula that launched thousand ships Tsiolkovsky calculated precisely the power needed launch roe Tsiolkovsky anticipated this 1883 diary sketch of a spa DREAMS OF EARTH AND SKY PUBL JSHED s1a/1895 tlaunch rocket Tsiolkovsk weightlessness diars space ship PUBLISHED R1ssia
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