Xtras

The following are a wide variety of miscellaneous simulations, which are presented here in alphabetical order.

Binary Asteroid Formation illustrates the first stage of a possible mechanism for the formation of a binary asteroid from a single asteroid.
Double Star and Planet shows the chaotic motion of a planet in a double star system.
Dzhanibekov Effect illustrates the Dzhanibekov Effect, in which a rotating body (such a wingnut on a space station) periodically 'flips' through 180 degrees, counter to intuition.
Figure of Eight shows three identical stars that follow each other around in a figure of eight pattern.
Galilean Cannon shows a Galilean cannon.
Kepler-36 shows the Kepler-36 planetary system.
Kepler-90 shows the Kepler-90 planetary system.
Newton's Cradle shows an astronomical version of the well-known Newton's cradle toy.
Ninth Planet shows the proposed ninth planet of the solar system, as detailed in 'Evidence for a Distant Giant Planet in the Solar System' by Konstantin Batygin and Michael E Brown.
Sagittarius A* Cluster shows the Sagittarius A* Cluster.
Schwassmann-Wachmann 3 shows 69 fragments of comet 73P/Schwassmann-Wachmann 3.
Solar Analemma illustrates a solar analemma.