Huge Black Hole Catapulted Through Space

[mickw]

A colossal black hole has been spotted exiting its home galaxy, kicked out after a huge cosmic merger took place.
The event, seen for the first time, was announced today.

When two colliding galaxies finally merge, it is thought that the black holes at their cores may fuse together too. Astronomers have theorized that the resulting energy release could propel the new black hole from its parent galaxy out into space, but no one has found such an event.

More:  http://www.space.com/scienceastronomy/080429-black-hole-superkick.html