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Search results for brightest galaxies
How Do Galaxies Grow?
Aug 26, 2008 |
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How do galaxies form? The most widely accepted answer to this fundamental question is the model of 'hierarchical formation', a step-wise process in which small galaxies merge to build larger ones. One can ...
Heavyweight galaxies puzzle astronomers
Apr 02, 2009 |
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(PhysOrg.com) -- Astronomers have discovered large galaxies some two thirds of the way back in time to the big bang. This surprising find casts doubt on theories of how the biggest galaxies form.
Antennae Galaxies
May 19, 2008 |
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This image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of the collision, billions of stars will be formed. The brightest and most compact of these star ...
Continent-sized radio telescope takes close-ups of Fermi active galaxies
Apr 22, 2009 |
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An international team of astronomers has used the world's biggest radio telescope to look deep into the brightest galaxies that NASA's Fermi Gamma-ray Space Telescope can see. The study solidifies the link ...
Dramatically backlit dust in giant galaxy
Apr 07, 2009 |
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A new Hubble image highlights striking swirling dust lanes and glittering globular clusters in oddball galaxy NGC 7049.
Astronomers Spot Brightest Galaxies in the Distant Universe
Aug 09, 2007 |
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By combining the capabilities of several telescopes, astronomers have spotted extremely bright galaxies hiding in the distant, young universe. The newfound galaxies are intrinsically bright due to their large ...
Verdict: Supermassive black holes not guilty of shutting down star formation
Jan 22, 2009 |
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(PhysOrg.com) -- A team of Yale University astronomers has discovered that galaxies stop forming stars long before their central supermassive black holes reach their most powerful stage, meaning the black ...
A pool of distant galaxies -- the deepest ultraviolet image of the universe yet
Nov 07, 2008 |
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This uniquely beautiful patchwork image, with its myriad of brightly coloured galaxies, shows the Chandra Deep Field South (CDF-S), arguably the most observed and best studied region in the entire sky. The ...
Colliding galaxies make love, not war
Oct 17, 2006 |
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A new Hubble image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. As the two galaxies smash together, billions of stars are born, mostly in groups and clusters of stars. The ...
Astronomers Discover Most Dark Matter-Dominated Galaxy in Universe
Sep 18, 2008 |
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(PhysOrg.com) -- A team led by a Yale University astronomer has discovered the least luminous, most dark matter-filled galaxy known to exist.
Fermi sees brightest-ever blazar flare
Dec 09, 2009 |
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(PhysOrg.com) -- A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began ...
Galaxies Demand a Stellar Recount
Aug 19, 2009 |
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(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...
Web users to write ‘Hitchhiker’s Guide to the Galaxies’
Space & Earth / Space Exploration
Feb 17, 2009 |
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(PhysOrg.com) -- Today saw the launch of Galaxy Zoo 2, a website that invites members of the public to help create a detailed guide to some of the Universe's most fascinating objects. The online project is ...
Death of massive star creates brightest burst ever seen
Mar 20, 2008 |
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Gamma-Ray Bursts are the most powerful explosive events in the Universe. They occur in far-off galaxies and so are usually faint. But on the morning of March 19th 2008 the Swift satellite found a burst which ...
Herschel Space Telescope uncovers the sources of the Cosmic Infrared Background
Dec 16, 2009 |
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(PhysOrg.com) -- Using first observations with the PACS Instrument on board ESA’s Herschel Space Telescope, scientists from the Max Planck Institute for Extraterrestrial Physics and other institutions have ...
