This educational website provides animations of black holes, galaxies, and quasars. It uses either mpeg or quick time. Both of these formats are available in high and low resolution formats. There are links to podcasts,...

The latest release from the National Academy Press is the free online version of Astronomy and Astrophysics in the New Millennium: Panel Reports. The book contains contributions from the Astronomy and Astrophysics Survey...

This site, created by Dr. Gene Smith of the University of California, San Diego, is very useful for a teacher. There are many tutorials, educational sites, curriculum resources and links to other courses. Topics on this...

This National Aeronautics and Space Administration website has QuickTime videos that compare boiling water on Earth and in space. A photo shows the bubble that forms in space once some of the water is boiled. Text...

This is the Chandra X-ray Observatory photo album website. It begins with an introduction on the electromagnetic spectrum, focusing on X-rays in particular. It also contains information on false color images. The images...