<tr><td colspan="2">You can download <a href="http://www.jpl.nasa.gov/galileo/dialimages.html">a series of 120 computer generated images</a> showing the Galileo satellite swinging into orbit around Jupiter. ByJupiter allows you to show these sprites as a movie. Full instructions in the ReadMe file.<br></td></tr>
<tr><td colspan="2">Eclipse is a program to give detailed information about an eclipse. If you have any interest in eclipses whatsoever you should use this application.<br></td></tr>
<tr><td colspan="2">Planets simulates a three body planetary system, where most of the parameters can be adjusted. Planets is shareware and will only run on a Risc PC. New version has new features and a redesigned front end.<br></td></tr>