jan 1, 1619 - Galileo discovers four large moons orbiting around Jupiter, and that there are more stars in the Milky Way that we cannot see with the naked eye.
Description:
Galileo named the four moons after the Medici Family who ruled Florence from 1434 to 1737.By discovering these moons, Galileo disproved the church's dogma that all movement in the universe was centered on earth.
Added to timeline:
Date:
jan 1, 1619
Now
~ 407 years ago