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Early Black Holes Grew Big Eating Cold, Fast Food
December 12, 2011 Researchers have discovered what caused the rapid growth of early supermassive black holes -- a steady diet of cold, fast food. Computer simulations show that thin streams of cold gas flow ... > full story -
Record Massive Black Holes Discovered Lurking in Monster Galaxies
December 5, 2011 Astronomers using the Keck, Gemini and MacDonald observatories have discovered the largest black holes to date: Two monsters with masses equivalent to 10 billion suns that are threatening to consume ... > full storyMore: -
Birth of Famous Black Hole: Longstanding Mysteries About Object Called Cygnus X-1 Unraveled
November 17, 2011 A precise distance measurement by the Very Long Baseline Array (VLBA) allowed astronomers to accurately calculate the mass and spin of a famous black hole, thus providing a complete description of ... > full storyMore: -
Hubble Directly Observes the Disk Around a Black Hole
November 4, 2011 Scientists have observed a quasar accretion disk -- a glowing disk of matter that is slowly being sucked into its galaxy's central black hole. Their study makes use of a novel technique that uses ... > full story -
Planets Smashed Into Dust Near Supermassive Black Holes
October 28, 2011 Fat doughnut-shaped dust shrouds that obscure about half of supermassive black holes could be the result of high speed crashes between planets and asteroids, according to a new theory from an ... > full story -
Suspects in the Quenching of Star Formation Exonerated
October 11, 2011 Some supermassive black holes power luminous, rapidly growing objects called active galactic nuclei (AGN) that gather and condense enormous quantities of matter. Because astronomers had seen these ... > full story -
Astrophysicists Find Evidence of Black Holes' Destruction of Stars
October 11, 2011 Astrophysicists have found evidence of black holes destroying stars, a long-sought phenomenon that provides a new window into general relativity. The research also opens up a method to search for the ... > full story -
Astrophysics and Extinctions: News About Planet-Threatening Events
October 7, 2011 Space is a violent place. If a star explodes or black holes collide anywhere in our part of the Milky Way, they'd give off colossal blasts of lethal gamma-rays, X-rays and cosmic rays and it's ... > full story -
Cosmic Weight Watching Reveals Black Hole-Galaxy History
September 30, 2011 Using state-of-the-art technology and sophisticated data analysis tools, a team of astronomers has developed a new and powerful technique to directly determine the mass of an active galaxy at a ... > full story -
Space Telescopes Reveal Secrets of Turbulent Black Hole
September 29, 2011 Supermassive black holes at the hearts of active galaxies swallow large amounts of gas. During this feast they spill a lot of their 'food', which is discharged in turbulent outbursts. An ... > full storyMore:
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