Nick McConnell

Record massive black holes discovered lurking in monster galaxies

December 5, 2011

"University of California, Berkeley, astronomers have discovered the largest black holes to date ‑- two monsters with masses equivalent to 10 billion suns that are threatening to consume anything, even light, within a region five times the size of our solar system. These black holes are at the centers of two galaxies more than 300 million light years from Earth, and may be the dark remnants of some of the very bright galaxies, called quasars, that populated the early universe. “In the early universe, there were lots of quasars or active galactic nuclei, and some were expected to be powered…