Not exact matches
In the rare case that the parent
galaxy that merges with the DCBH
also hosts a central black hole, the two holes will
collide and release powerful gravitational waves.
The research,
also posted online at arXiv.org, negates an earlier finding that stars were separated from their dark matter in Abell 3827, a cluster including four
colliding galaxies about 1.3 billion light - years from Earth (SN: 5/16/15, p. 10).
Also,
galaxies sometimes
collide and merge, and if they contain black holes, these will merge as well.
Supermassive black holes
also play a role in the death of
colliding galaxies.