Galileo Galilei (1564 - 1642)

Galileo undertook many experiments in mechanics, and discovered, among other things that object did not fall at different rates, as Aristotle had believed.

In 1609, he first used a telescope to study the sky. He realized that wherever he looked, he saw more and more stars. He also discovered:

There is a special page on the life and times of Galileo at the Galileo site at Rice University. Note: this is an external link.


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