JPL Small Body browser

This applet shows 3D orbit visualization of planets and small bodies (asteroids). This is quite interesting in itself, but especially today, as Asteroid 2009 BD is passing relatively close to the Earth today.

http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2009%20BD;orb=1

madsmx.tripod.com/cannon.html

Cannon Defender is a classic "shoot stuff out of the sky" arcade game, implemented very nicely as a Java applet.

http://madsmx.tripod.com/cannon.html