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Galileo Galilei (1564-1642). Physicist, Italian mathematician and astronomer. Galileo demonstrating his astronomical theories. Engraving by Rico in the "Spanish and American Illustration" (1884). Coloured Stock Photo - Alamy
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Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress
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