[omegaman]

http://www.redorbit.com/news/space/1...g-host-galaxy/

That's interesting I sought of thought of these things as stationary, ie moving at the same rate as the rest of the expanding universe.

As if asteroids weren't enough!

[Saquist]

Because Galaxies collide regularly it's possible. They can certainly determine if the momentum is enough to fling a singularity into a huge elliptical orbit or absolutely free of a merger. Keep it up. This is my regular daily study habbits on astronomy.