Galileo discovered craters on the moon so therefor technically he discovered craters.
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.
In astronomy, he used a telescope.
Sun spots
he discovered it on
In the year 1610
At his house
galileo galili
He discovered it on the moon.
1610 why