News tagged with open clusters
Open clusters like Orion have low fertility rate
Jul 08, 2008 |
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A detailed survey of stars in the Orion Nebula has found that fewer than 10 percent have enough surrounding dust to make Jupiter-sized planets, according to a report by astronomers at the University of California, ...
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Scientists Find New Way to Produce Hydrogen
Jan 22, 2009 |
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Scientists at Penn State University and the Virginia Commonwealth University have discovered a way to produce hydrogen by exposing selected clusters of aluminum atoms to water. The findings are important ...
Hubble Captures Magellanic Gemstones In The Southern Sky
Apr 18, 2006 |
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NASA's Hubble Space Telescope has captured the most detailed images to date of the open star clusters NGC 265 and NGC 290 in the Small Magellanic Cloud.
Hubble Sees Star Cluster 'Infant Mortality'
Jan 10, 2007 |
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Astronomers have long known that young or "open" star clusters must eventually disrupt and dissolve into the host galaxy. They simply don't have enough gravity to hold them together, unlike their much more ...
Chandra catches 'piranha' black holes
Jul 24, 2007 |
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Supermassive black holes have been discovered to grow more rapidly in young galaxy clusters, according to new results from NASA's Chandra X-ray Observatory. These "fast-track" supermassive black holes can ...
Black Holes in Star Clusters stir up Time and Space (w/ Video)
Dec 16, 2009 |
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(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...
Homebody queen ants help preserve family ties in large populations
Mar 31, 2009 |
5 / 5 (2) |
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Ant and bee colonies have long fascinated biologists because of their hierarchical social structure and the apparently altruistic behaviour of female workers in rearing the queen's young rather than reproducing themselves. ...
What's My Age? Mystery Star Cluster Has 3 Different Birthdays
Jul 10, 2008 |
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Imagine having three clocks in your house, each chiming at a different time. Astronomers have found the equivalent of three out-of-sync "clocks" in the ancient open star cluster NGC 6791. The dilemma may fundamentally ...
LLNL, industry leaders to develop advanced technology cluster testbed
Technology / Computer Sciences
Nov 18, 2008 |
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The National Nuclear Security Administration's (NNSA) Lawrence Livermore National Laboratory has teamed with 10 computing industry leaders to accelerate the development of powerful next-generation Linux clusters in a project ...
Hubble Finds that 'Blue Blobs' in Space Are Orphaned Clusters of Stars
Jan 08, 2008 |
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Finding blue blobs in space sounds like an encounter with an alien out of a science fiction movie. But the Hubble Space Telescope's powerful vision has resolved strange objects nicknamed "blobs" and found ...
Chemical composition of stars in clusters can tell history of our galaxy
Mar 22, 2007 |
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Using ESO's Very Large Telescope, an international team of astronomers has shown how to use the chemical composition of stars in clusters to shed light on the formation of our Milky Way. This discovery is a fundamental test ...
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