This results in the size of bodies being much more compact, and thus much harder to hit. The only difference is that their density is set so that light cannot escape from its surface. I hope this helped, i'm sure someone will correct me if i'm wrong!īlack holes in Universe Sandbox are like all other bodies. i'm not 100% sure about in reality, i'm no expert). The only difference with a black hole is that at its surface the gravity is so intense that light cannot escape, at long ranges it is equivalent to a star (from Newtonian Physics anyway. It's still possible for objects to orbit a black hole as they do a star, and even for black holes to orbit stars or even planets. they pass too close or don't have enough speed. The black hole will eat any objects that collide with it, i.e.
It may also be worth enabling RK4 if you can. This is to do with how the RK4 method (or euler) simulates the system. If the time-step is too large, the calculations can't simulate a close pass-by well and it causes the object to shoot away from the star. If objects are getting slingshotted out of the system, it may because they are passing in a tight eliptical orbit. Providing you don't change the mass the planets shouldn't change their paths at all.
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