This chronicles Galileo's trial for supporting and proving the Copernican view of the solar system. A chronology, biographical information on key figures and pertinent historical documents are available.

[Free Registration/Login may be required to access all resource tools.] How objects in the solar system orbit around each other.

[Free Registration/Login may be required to access all resource tools.] How objects in the solar system orbit around each other.

An interesting biography of Nicolaus Copernicus, the famous astronomer.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how our understanding of the Earth's movements evolved from ancient times and what we know today. Includes some questions to check...

The University of Virginia provides a continuation of a lecture given on astronomer Johannes Kepler, this lecture covers his different works within the field of astronomy.

The University of Virginia provides notes from a lengthy lecture given on the life of Johannes Kepler. This site has GREAT information and is easy to understand.

This article explains the life and scientific discoveries of Johannes Kepler.

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

The notable English scientist and mathematician Sir Isaac Newton lived from 1642-1727. This site is a brief biography.

A biography of Nicolaus Copernicus and his contribution to science, specifically astronomy.

Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.