Galileo Galilei. Sidereus Nuncius Magna (Venice, 1610).
Leaf 10 verso with illustrations of the Moon, engravedOn November 30, 1609, Galileo Galilei first turned his telescope toward the moon. He noted the irregularities of the crescent face, and made a drawings to record his discoveries. Over the next eighteen days, he made more drawings and from these chose four for his revolutionary ‘Starry Messenger.’ With the publication of this book, an astonished public learned that the moon was a cratered chunk of elements and not a globe of quintessential perfection.
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