Astronomical Javascript, Java Applet Resources

This website is set up as a resource for instructors of astronomy at all levels.  Items are presented in a variety of formats and levels of complexity, so that instructors at all levels from K-12 to college level could make use of the programs here.  All items on this site are free to use and copy.  We ask that they stay that way - free.  If you find a way to enhance or improve any of the items here, we ask that you share that information with us.

Lunar Events

Solar Motions


Planetary Motion

Stellar Motions



Galactic, Extragalactic, and Cosmology

Star Charts


If you have any comments or suggestions, please send them to  me