Related Resources

Astronomy and Astrophysics on the Web

The following links will take you to Web sites which are especially useful, informative, and entertaining.

The Great Shapley-Curtis Debate of 1920 on the Scale of the Universe

Astronomy Picture of the Day Index

Hubble Space Telescope Images

Color Photographs from the Anglo-Australian Observatory

STScI Digitized Sky Survey: The Whole Sky, gif or fits

Falling into a Black Hole (GIF movies)

The Milky Way Collides with the Andromeda Galaxy 3 Gyr from Now (MPEG Movies)

Very Useful but Less Entertaining

Preprint Archive ("astro-ph")

NASA Astrophysics Data System ABSTRACT SERVICE

Prof. Bill Press' Introduction to Astrophysics Course at Harvard U

Astronomical Coordinate Systems

Less Useful but More Entertaining


The Milky Way at 7 Different Wavelengths (Free Poster!)