Galileo (15 févr. 1564 – 8 janv. 1642)
Description:
Galileo was an astronomer who observed the heavens through a telescope. He said that celestial bodies were made out of matter, and not ether. He discovered the principle of inertia and developed a heliocentric theory of the universe.Ajouté au bande de temps:
Date:
15 févr. 1564
8 janv. 1642
~ 77 years
