A team led by Bruno Giacomazzo at the University of Colorado, Boulder, and including Baker developed computer simulations that for the first time show what happens in the magnetized gas (also called a plasma) in the last stages of a black hole merger.
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A collaboration of scientists at the Heidelberg Institute for Theoretical Studies (HITS) and in Canada and the US have now discovered that diffuse gas in the universe can absorb luminous gamma-ray emission from black holes, heating it up strongly. This surprising result has important implications for the formation of structures in the universe. BLACK HOLES: http://www.scoop.it/t/science-news?tag=Black%20Hole 
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In June 2010, astronomers saw the eruption of light from a star as it was shredded by a supermassive black hole. This happened 2.7 billion light years away in a distant galaxy!
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Black holes are some of the strangest and most fascinating objects found in outer space. They are objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough. Articles about ASTRONOMY: http://www.scoop.it/t/science-news?tag=astronomy
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A wandering black hole may catch up with us one day and eat us for breakfast and it wouldn't even burp in the process.
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A black hole hitting Earth sounds like the ultimate doomsday scenario. But it probably won't hurt much, say researchers who created computer simulations to see what would happen if a puny primordial black hole, born just after the big bang, struck our planet.
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The centers of most --if not all-- galaxies host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around them. They had been thought to hinder the birth of...
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(PhysOrg.com) -- Forget the Big Bang theory on the origins of the universe. University of Alberta physicist Greg Sivakoff is looking to find the secrets of the Big Burp theory.
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On Wednesday, Jan. 18, astronomers, physicists and scientists from related fields will convene in Tucson, Ariz. from across the world to discuss an endeavor that only a few years ago would have been regarded as nothing less than outrageous.
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Black hole extravaganza in 1080p. From ESOcast. Not long ago, watching something being ripped apart as it falls towards a giant black hole would be science fiction. This is now reality.
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Our universe may exist inside a black hole. This may sound strange, but it could actually be the best explanation of how the universe began, and what we observe today. More on BLACK HOLES: http://www.scoop.it/t/science-news?tag=Black%20Hole
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Astronomers, using the European Space Agency's (ESA) Herschel Space Observatory, have shown that the number of stars that form during the early lives of galaxies may be influenced by the massive black holes at their hearts. BLACK HOLE: http://www.scoop.it/t/science-news?tag=Black%20Hole
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Astronomers have gathered the most direct evidence yet of a supermassiveblack hole shredding a star that wandered too close in a galaxy 2.7 billion light-years away. . NASA's Galaxy Evolution Explorer, a space-based observatory, and the Pan-STARRS1 telescope on the summit of Haleakala in Hawaii wereamong the first to help identify the stellar remains.
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Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart and swallowing an entire star. ASTRONOMY: http://www.scoop.it/t/science-news?tag=astronomy
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Astronomers have put forward a new theory about why black holes become so hugely massive – claiming some of them have no 'table manners', and tip their 'food' directly into their mouths, eating more than one course simultaneously.
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An ongoing rocky buffet would explain bright x-ray flares seen around our galaxy's supermassive black hole since 1999, astronomers say.
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The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around them.
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Astronomers are setting up a virtual telescope as wide as our planet to capture the first picture outlining our galaxy's monstrous black hole. "Everybody's super-excited," one of the leaders of the effort, astrophysicist Dimitrios Psaltis of the ...
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Most of these are sleeping cosmic beasts, just sitting there. So we have to scan the skies to see those very rare times when there's a burst of radiation as the black hole feeds."
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Using observations from NASA's Rossi X-ray Timing Explorer (RXTE) satellite and the National Science Foundation's (NSF) Very Long Baseline Array (VLBA) radio telescope, an international team of astronomers has identified the moment when a black hole in our galaxy launched superfast knots of gas into space.
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