he discovered that there were craters on the moon
Galileo was the first
The first man to discover that the earth moves around the sun was an Italian scientist named Galileo Galilei.
No, Venus was already known of in Galileo's time.
nope
yes Galileo Galilie discovered Saturn
A scientist and explorer can DISCOVER but a scientist can DISCOVER and INVENT
Yes
he was not the first scientist.
Italian scientist
Galileo
Go to http://en.wikiquote.org/wiki/Galileo
Galileo's greatest discovery was the discovery of jupiter's moons and rings.