asteroids1000 - Near earth asteroids and the earth in orbit around the sun.
cluster2582 - A star cluster containing 2,582 particles.
collision1 - Two large irregular galaxies collide and mostly pass through each other.
collision2 - Collision of two 1000 particle elliptical galaxies.
galaxy1 - A lighter galaxy is torn apart by a dense galaxy.
galaxy2 - A galaxy orbits a heavier one and forms a spiral.
galaxy3 - A dense galaxy sucks stars out of a lighter galaxy that orbits it.
galaxy4 - Galaxies orbiting each other.
galaxy10k - 10,000 bodies orbiting in an elliptical galaxy.
galaxy20k - 20,000 bodies orbiting in an elliptical galaxy.
galaxy30k - Two 15,000 particle galaxies collide.
galaxyform2500 - A 2,500 particle dust cloud collapses under gravity and forms into a galaxy.
galaxymerge1 - Two 1,000 particle clouds gravitate together and eventually combine into a galaxy.
galaxymerge2 - Four 1,000 particle clouds gravitate together and combine into a galaxy.
galaxymerge3 - A 900 particle spinning elliptical galaxy collides with a big expanding galaxy and combines with it.
saturnrings - Saturn with its 9 rings containing 11,987 particles.
spiralgalaxy - A round galaxy becomes a spiral due to two small galaxies that fly by it.