View Full Version : Swift Survey Finds ‘Missing’ Active Galaxies

2011-Jan-21, 12:00 AM
From a NASA press release: Seen in X-rays, the entire sky is aglow. Even far away from bright sources, X-rays originating from beyond our galaxy provide a steady glow in every direction. Astronomers have long suspected that the chief contributors to this cosmic X-ray background were dust-swaddled black holes at the centers of active galaxies. [...]

More... (http://www.universetoday.com/82700/swift-survey-finds-missing-active-galaxies/)

2011-Jan-21, 12:16 AM
Well done, Swift! I"m sure a nice BAUT end of year bonus is in order for you! Maybe a bat. :)