Gravitation Cave Screen Saver is a physically correct 3D simulation of stars' movement under the force of gravity.Different from the stars you see outside on a clear night, the stars in this screen saver don't have much space to move around (they are restricted by the walls of the cave), so they collide just like billiard-balls (also physically. Free download of Gravitation Cave Screen Saver 1.3, size 128.00 Kb.
