What: Galileo Galilei

Galileo’s Drawings From Observation and the Enlightenment of Our Species

Monday, 18 July 2016 · 2 minute read

From The Galileo Project website’s page on Galileo’s drawings of sunspots: In 1612 during the summer months, Galileo made a series of sunspot observations which were published in Istoria e Dimostrazioni Intorno Alle Macchie Solari e Loro Accidenti Rome (History and Demonstrations Concerning Sunspots and their Properties, published 1613). Because these observations were made at appoximately the same time of day, the motion of the spots across the Sun can easily be seen.

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