Search results for quasar
Galaxy 'hunting' made easy
Sep 14, 2007 |
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Astronomers using ESO's Very Large Telescope have discovered in a single pass about a dozen otherwise invisible galaxies halfway across the Universe. The discovery, based on a technique that exploits a first-class ...
Astronomers dissect a supermassive black hole with natural magnifying glasses
Dec 12, 2008 |
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The team of astronomers from Europe and the US studied the "Einstein Cross", a famous cosmic mirage. This cross-shaped configuration consists of four images of a single very distant source. The multiple images ...
Radio astronomers detect 'baby quasar' near the edge of the visible Universe
Jun 06, 2008 |
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An international group of radio astronomers has found an unexpected morphology in the most distant radio quasar ever. This was done using the world's most sensitive network of radio telescopes called the European ...
Serendipitous observations reveal rare event in life of distant quasar
Oct 21, 2008 |
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A bit of serendipity has given astronomers a surprise view of a never-before-observed event in the birth of a galaxy.
Hubble Captures a 'Five-Star' Rated Gravitational Lens
May 23, 2006 |
4.7 / 5 (27) |
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The multiple-image effect seen in the Hubble picture is produced by a process called gravitational lensing, in which the gravitational field of a massive object -- in this case, a cluster of galaxies -- bends ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
Cosmic engines surprise XMM-Newton
Apr 07, 2008 |
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XMM-Newton has been surprised by a rare type of galaxy, from which it has detected a higher number of X-rays than thought possible. The observation gives new insight into the powerful processes shaping galaxies ...
Chandra finds evidence for quasar ignition
Mar 23, 2006 |
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New data from NASA's Chandra X-ray Observatory may provide clues to how quasars "turn on." Since the discovery of quasars over 40 years ago, astronomers have been trying to understand the conditions surrounding ...
Astronomers Find Dust in the Wind of Black Holes
Oct 09, 2007 |
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The hit song that proclaimed, "All we are is dust in the wind," may have some cosmic truth to it. New findings from NASA's Spitzer Space Telescope suggest that space dust – the same stuff that makes up living ...
Hubble Space Telescope Spies Galaxy/Black Hole Evolution in Action
Jun 03, 2008 |
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A set of 29 Hubble Space Telescope (HST) images of an exotic type of active galaxy known as a "post-starburst quasar" show that interactions and mergers drive both galaxy evolution and the growth of super-massive ...
Study confirms supermassive black holes produce powerful galaxy-shaping winds
Oct 31, 2007 |
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Supermassive black holes can produce powerful winds that shape a galaxy and determine their own growth, confirms a group of scientists from Rochester Institute of Technology.
Quasar light variability linked to black hole mass
Jan 08, 2007 |
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Quasars are some of the most luminous and distant objects in the universe – and appear to have something in common with ordinary light bulbs, say researchers at the University of Illinois at Urbana-Champaign and at the National ...
Astronomers see inside a quasar for the first time
Oct 05, 2006 |
4.7 / 5 (56) |
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For the first time, astronomers have looked inside quasars -- the brightest objects in the universe -- and have seen evidence of black holes.
Hubble spies shells of sparkling stars around quasar
Oct 25, 2007 |
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New images taken with NASA’s Hubble Space Telescope – part of a research project led by UC Riverside’s Gabriela Canalizo – have revealed the wild side of an elliptical galaxy, nearly two billion light-years ...
Polarizing filter allows astronomers to see disks surrounding black holes
Jul 23, 2008 |
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(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ...
