Digg this up and give the author some love: http://digg.com/pc_games/Fantastic_Universe_Simulator (and by the way, there's a video linked from the Digg article, so check that out too).
It's a pretty amazing project... everything is controllable via a WiiMote. I've seen this running on a huge projection screen, and it's frankly just dazzling. You could play with this for hours.
Especially the galaxies crashing bits...
Here's a screenshot of a physically accurate Saturn, with all of its moons:
Simon Cooke is an occasional video game developer, ex-freelance journalist, screenwriter, film-maker, musician, and software engineer in Seattle, WA.
The views posted on this blog are his and his alone, and have no relation to anything he's working on, his employer, or anything else and are not an official statement of any kind by them (and barely even one by him most of the time).