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View Full Version : Gamma Rays Pour From the Edge of a Supermassive Black Hole



Fraser
2006-Oct-27, 06:27 PM
Astronomers have discovered gamma rays streaming from the vicinity of the supermassive black hole at the heart of galaxy M87. These gamma rays have energy levels of more than a million times the energy of visible light. Fortunately, these rays are stopped by our atmosphere. A special instrument called H.E.S.S., located in Namibia, can detect when these rays strike our atmosphere, and trace back the source. Astronomers have determined that a region not much larger than our Solar System around the black hole is responsible for this outpouring of gamma rays; the black hole is acting like a cosmic particle accelerator.

Read the full blog entry (http://www.universetoday.com/2006/10/27/gamma-rays-pour-from-the-edge-of-a-supermassive-black-hole/)