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12-3-1610

Galileo dedicated his Sidereus nuncius to Grandduke Cosmos II. The treatise described Galileo's observations of our moon, Jupiter's moons, and other features of our solar system through his newly improved telescope.

More information about:
Galileo Galilei
Sidereus nuncius (Starry Messenger)
Date: 
Friday, December 3, 1610