4 links
Astro-Mania
sheppardsoftware.com
Eight interactive levels covering various aspects of the universe. [commercial - Windows]
CLEA Project
gettysburg.edu
Project CLEA develops laboratory exercises that illustrate modern astronomical techniques using digital data and color images. They are suitable for high- school and college classe…
GeoAstro Applet Collection
jgiesen.de
Interactive Java applets display the position, daily and annual path of the sun and the moon, for any time and location. [online - not available for any PC platforms]
Mars 2000 CD-ROM
members.aol.com
The complete guide to robotic and human exploration of the red planet. Downloadable excerpts, unique website hotlist of over 200 sites. [commercial]