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August 1, 2025
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jan 1, 1610 - Galileo Galilei publishes “Sidereus Nuncius” (The Sidereal Messenger)

Description:

Galileo Galilei pioneered the experimental scientific method and was the first to use a refracting telescope to make important astronomical discoveries. He is often referred to as the “father of modern astronomy” and the “father of modern physics”.

he was the first to report telescopic observations of the mountains on the moon, the moons of Jupiter, the phases of Venus, and the rings of Saturn.

Added to timeline:

Date:

jan 1, 1610
Now
~ 415 years ago