News tagged with host galaxy

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Giant black holes lurking in survey data

(Phys.org)—Scientists at the University of Cambridge have used cutting-edge infrared surveys of the sky to discover a new population of enormous, rapidly growing supermassive black holes in the early Universe. The black ...

dateOct 08, 2012 in Astronomy
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Twists and turns in interacting galaxies

(Phys.org)—Almost thirty years ago the Infrared Astronomy Satellite, IRAS, discovered that the universe contained many fabulously luminous galaxies, some of them more than a thousand times brighter than our own galaxy, ...

dateOct 08, 2012 in Astronomy
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Black hole growth found to be out of sync

(Phys.org) -- New evidence from NASA's Chandra X-ray Observatory challenges prevailing ideas about how black holes grow in the centers of galaxies. Astronomers long have thought that a supermassive black hole and the bulge ...

dateJun 11, 2012 in Astronomy
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NuSTAR provides new look at black holes

When NASA launches a new telescope this Wednesday that will look at black holes in ways never seen before, Georgia Tech astrophysicist David Ballantyne will be more than a curious bystander. He helped plan the mission.

dateJun 11, 2012 in Astronomy
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Giant black hole kicked out of home galaxy

(Phys.org) -- Astronomers have found strong evidence that a massive black hole is being ejected from its host galaxy at a speed of several million miles per hour. New observations from NASA's Chandra X-ray Observatory suggest ...

dateJun 04, 2012 in Astronomy
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The survivors of a 13 billion year old massacre

(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the universe itself ...

dateFeb 14, 2012 in Astronomy
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