Nice little toy, but what's the next level? 2 objects, try to get a stable orbit? Talk about a steep difficulty curve. (http://en.wikipedia.org/wiki/N-body_prob

Nice little toy, but what's the next level? 2 objects, try to get a stable orbit? Talk about a steep difficulty curve. (http://en.wikipedia.org/wiki/N-body_problem http://en.wikipedia.org/wiki/N-body_problem)