News tagged with galaxy mergers
GOODS-Herschel reveals gas mass role in creating fireworks versus beacons of star formation
(PhysOrg.com) -- A study of galaxies in the deepest far-infrared image of the sky, obtained by the Herschel Space Observatory, highlights the two contrasting ways that stars formed in galaxies up to 12 billion ...
Mar 27, 2012 |
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The turbulent birth of super star clusters in galaxy mergers
By combining two of the most advanced telescopes in the world -- the new Atacama Large Millimeter Array (ALMA) and the Very Large Telescope (VLT) of ESO -- a team of French astronomers from the Institut d'astrophysique ...
Feb 10, 2012 |
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Black holes and star formation
(PhysOrg.com) -- It has long been recognized that galaxy mergers or even close interactions can play a vital role in shaping the morphology of galaxies. One way they can do so, it is thought, is by triggering ...
Feb 09, 2012 |
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New images capture 'stealth merger' of dwarf galaxies
New images of a nearby dwarf galaxy have revealed a dense stream of stars in its outer regions, the remains of an even smaller companion galaxy in the process of merging with its host. The host galaxy, known ...
Feb 08, 2012 |
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Galaxy Zoo reveals curious 'Violin Clef' quadruple galaxy merger
About a month ago, a Galaxy Zoo contributor named Bruno discovered a very unique galaxy merger in the Sloan Digital Sky Survey data. The merger appeared to be a triple, or possibly quadruple system, which ...
Oct 26, 2011 |
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Galaxy mergers not the trigger for most black hole feeding frenzies
(PhysOrg.com) -- A survey of distant galaxies using the Hubble Space Telescope has put another nail in the coffin of the theory that galaxy mergers are the main trigger for turning quiescent supermassive black ...
Oct 14, 2011 |
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Identity parade clears cosmic collisions of the suspicion of promoting black hole growth
(PhysOrg.com) -- What happens when galaxies crash together? For years, these cosmic collisions have been blamed for triggering violent outbursts at the hearts of galaxies. Now, a remarkable piece of detective ...
Jan 05, 2011 |
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Spitzer sees shrouded burst of stars
(PhysOrg.com) -- Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies ...
Nov 23, 2010 |
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Merging galaxies create a binary quasar (w/ Video)
Astronomers have found the first clear evidence of a binary quasar within a pair of actively merging galaxies. Quasars are the extremely bright centers of galaxies surrounding super-massive black holes, and ...
Feb 03, 2010 |
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'Cosmic fruit machine' matches collisions
(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...
Nov 24, 2009 |
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Galaxy Cores to Crash in a Few Million Years
(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the ...
Mar 16, 2009 |
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