Combine science and social studies with this collection of notes on ancient astronomy. Ideas propagated by early scientists influenced the way people viewed life and our place in the universe. Examine the philosophies of Aristotle,...

Students study the heliocentric theory of Copernicus, the ideas behind it and the explanations which it displaced. A discussion of retrograde motion of planets helps students explain the logic underlying the ideas of both Ptolemy and...

A history of the differences in Euclid and Copernicus--their methods of proving geometric ideas.

A history of the differences in Euclid and Copernicus--their methods of proving geometric ideas.

This site provides a brief biography of Nicolaus Copernicus. Content includes 15 pictures, several cross-references to relevant history topics, a list of honors awarded to Copernicus, and more.