2. Born February 15,1564 Died January 8,1642 Years of Life

3. Born in Pisa, Italy Died in Arcetri Life

4. Galileo's most famous invention. His telescope lead to other of his inventions. The Telescope

5. Galileo’s calculating compass helped him with math, geometry and astronomy Calculating Compass

6. He is responsible for finding the four largest satellites of Jupiter with his telescope Astronomy

7. Compared the Copernican System with the Ptolemaic System Dialogue Concerning the Two Chief World Systems

8. First to observe the craters on the moon through a telescope and phases. The Moon

9. 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

10. "Biography." The Volume Library. Nashville, TN: Southwestern, 1996. 249b. Print. "Famous Astronomers: Galileo Galilei." ThinkQuest. Oracle Foundation, n.d. Web. 3 Jan. 2013. "Galileo Galilei." (Stanford Encyclopedia of Philosophy). N.p., n.d. Web. 3 Jan. 2013. Works Cited