Galileo Galilei (feb 15, 1564 – jan 8, 1642)
Description:
The first astronomer to use a telescope to study the heavens. Convinced people the Sun was the center of the universe. He discovered Jupiter's moons, and found out that Venus had fazes.Added to timeline:
Date:
feb 15, 1564
jan 8, 1642
~ 77 years