Source: NOVA: "Galileo's Battle for the Heavens" This resource can be found on the NOVA: "Galileo's Battle for the Heavens" Web site. The motion of objects fascinated Galileo throughout his life. When ...

In the 17th century, famed astronomer and physicist Galileo Galilei is said to have climbed to the top of the Tower of Pisa and dropped two different-sized cannonballs. He was trying to demonstrate ...

It's a legendary experiment: Young Galileo, perched atop the Leaning Tower of Pisa, drops cannonballs of different weights to see if all objects fall at the same rate. It's a story that's easy to ...