A Simulation of Stellar Gravity

[dj-hato]

Each new book that comes out, I tend to approach thinking that this will be the one that jumps the shark, and each time I finish it thinking "Well, he's done it again!"

i think this one is better
http://www.nowykurier.com/toys/gravity/gravity.html

That's rather a fun one as well. I like the option to generate an accretion disc and then fire increasingly massive particles at it.

The best gravity simulator I've ever seen, though, is unfortunately not an online one but one you have to pay for, though a limited version is available as a free download. It's not all that pricey anyway. It's called Universe Sandbox and is lots of fun, even the cutdown demo version which only lets you play with a set of preloaded scenarios. For instance, you can see just what the end of Return of the Jedi should have looked like when the Death Star exploded that close to Endor (hint: they wouldn't have been throwing a party there. Not for long anyway). I managed to get hold of the full version, so if you hear news reports of approaching doomsday comets or galaxies colliding with ours, it's probably just me.

if you hold ctrl+ click drag you can move over a screen
that way i once made about 25 discs left it running for a day and when i came back i had quite a large solar system i needed to man around to see it all only only heavily elliptical orbit

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p.s. i got it for free just now X)