Galileo Galilei - Autograph notes on the satellites of Jupiter, 14–25 January 1611
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Galileo Galilei, The Pleiades from 'Sidereus Nuncius' (Starry Messenger), 1610
Galileo Galilei - Sketches of stars in the Orion constellation as viewed by Galileo through his telescope
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Galileo Galilei from the series of sunspot drawings:
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