Illustration of sunspots from Galileo's 1613 book on the sun. Galileo Galilei (February 15, 1564 - January 8, 1642) was an Italian physicist, mathematician, astronomer and philosopher.

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Keywords: 17th, art, artwork, astronomical, astronomy, century, diagram, drawing, galileo, historic, historical, history, illustration, seventeenth, sketch, solar, spot, sun, sunspot