Lecture 3f. Galileo's Contributions

The influence of Galileo's experiments and observations was tremendous, in many respects.

on Philosophy: Earth is just another planet

on Cosmology: saw phases of Venus, confirming one Copernican prediction

on Physics: objects in motion stay in same state of motion unless subjected to a force

Galileo was censured for teaching Copernicanism by the Church, which held the Ptolemaic view