News tagged with massive galaxies
Discovery poses challenge to galaxy formation theories
Apr 10, 2009 |
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A team led by an Indiana University astronomer has found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief ...
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.
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 ...
Caltech astronomers describe the bar scene at the beginning of the universe
Jul 29, 2008 |
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Bars abound in spiral galaxies today, but this was not always the case. A group of 16 astronomers, led by Kartik Sheth of NASA's Spitzer Science Center at the California Institute of Technology, has found that bars tripled ...
Search results for massive galaxies
Physicists detect two candidate dark matter interactions, but say the data are not conclusive
Dec 18, 2009 |
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(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Studying how black holes grow
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (2) |
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Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size ...
Hubble's Festive View of a Grand Star-Forming Region (w/ Video)
Dec 15, 2009 |
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(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...
Scientists observe super-massive black holes using Keck Observatory in Hawaii
Dec 10, 2009 |
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An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...
Magnetic Power Revealed in Gamma-Ray Burst Jet
Dec 09, 2009 |
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(PhysOrg.com) -- A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma-ray burst (GRB). The result is ...
XMM-Newton celebrates decade of discovery
Space & Earth / Space Exploration
Dec 09, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- ESA's XMM-Newton X-ray observatory is celebrating its 10th anniversary. During its decade of operation, this remarkable space observatory has supplied new data for every aspect of astronomy. ...
RIT astronomer mines Spitzer Space Telescope data for massive starbursts
Dec 08, 2009 |
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Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
Dec 07, 2009 |
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(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
A Superbright Supernova That’s the First of Its Kind
Dec 02, 2009 |
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(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
List of search results for massive galaxies
