galileo galilei
DESCRIPTION
Galileo Galilei. Years of Life. Born February 15,1564 Died January 8,1642. Life. Born in Pisa, Italy Died in Arcetri. The Telescope. Galileo's most famous invention . His telescope lead to other of his inventions. Calculating Compass. - PowerPoint PPT PresentationTRANSCRIPT
Compared the Copernican System with the Ptolemaic System
Dialogue Concerning the Two Chief World Systems
His theory was that two objects will fall at the same speed. So it is said that he went up to the leaning tower of Pisa and dropped two items from the top of the tower.
His Theory