HISTORICAL

Contributions of Women to the United States Naval Observatory: The Early Years ('H') 
Provides the history and background of women's contributions at the United States Naval Observatory before the 1920's.
maia.usno.navy.mil/women_history/history.html

Documents of Astronomical History ('H')
Excerpts from the writings of philosophers, astronomers, and scientists documenting the evolution of astronomical thought. Authors include Plato, Aristotle, Ptolemy, Copernicus, and Galileo.
www.stcloud.msus.edu/~physcrse/astr106/doc.html

The Galileo Project ('H')
Contains a wealth of information on this important astronomer, including details on his patrons, contemporaries, and the instruments he used.
es.rice.edu/ES/humsoc/Galileo/

Greek Astronomy: Ancient Science and its Modern Fates ('H')
History. You can also view information on Greek Mathematics and Ptolemy's Geography.
sunsite.unc.edu/expo/vatican.exhibit/exhibit/d-mathematics/Greek_astro.html

Kepler's Laws ('H')
Explains the laws and provides background on the famous astronomer.
www.cvc.org/science/kepler.htm

Spacetime Wrinkles ('H')
Take a look at the history of thought behind Einstein's theories, then find out where they've taken us today. Includes forays into the theories surrounding black holes, gravitation, and relativity.
www.ncsa.uiuc.edu/Cyberia/NumRel/NumRelHome.html