Astronomers sniff intermediate mass black hole

[Rick]

Astronomers from the University of Leicester and the CESR astrophysics lab in Toulouse reckon they've spotted an intermediate mass black hole - one of an elusive group of beasts weighing in between single star black holes and their supermassive cousins.

More: http://www.theregister.co.uk/2009/07/02/middleweight_black_hole/