No. He discovered the phases of venus.
No, Venus was already known of in Galileo's time.
nope
yes Galileo Galilie discovered Saturn
Galileo's greatest discovery was the discovery of jupiter's moons and rings.
Sun spots
In astronomy, he used a telescope.
he discovered it on
In the year 1610
He discovered it on the moon.
At his house
galileo galili
1610 why