Can galaxies collide or not?

Answer:
Yes. There are several Hubble photos showing galaxies in the midst of a collision, and in fact, our own Milky Way galaxy is going to collide with the Andromeda galaxy in about 3.5 billion years.
First answer by Kenwd0elq. Last edit by Kenwd0elq. Contributor trust: 522 [recommend contributor recommended]. Question popularity: 2 [recommend question].