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jan 1, 1610 - Galileo publishes "Messenger Of The Heavens"

Description:

Galileo's 24-page booklet describes his telescopic observations of the moon's surface, and of Jupiter's moons, making the Church uneasy. The Inquisition soon warns Galileo to desist from spreading his theories.

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Date:

jan 1, 1610
Now
~ 416 years ago