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Konstantin Tsiolkovsky |
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| Russian teacher Konstantin Tsiolkovsky became known as a pioneer in rocket and space research in the late 19th and early 20th centuries. Tsiolkovsky was one of the first scientists to suggest applying rockets to spaceflight. | ||||||
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| Ria-Novosti/SOVFOTO-EASTFOTO | ||||||
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| Appears in these articles: | ||||||
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| Rocket; Space Exploration; Tsiolkovsky, Konstantin Eduardovich | ||||||
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