News tagged with cluster
Searching for primordial antimatter
Oct 30, 2008 |
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Scientists are on the hunt for evidence of antimatter - matter's arch nemesis – left over from the very early Universe. New results using data from NASA's Chandra X-ray Observatory and Compton Gamma Ray Observatory ...
XMM-Newton's massive discovery
Aug 25, 2008 |
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(PhysOrg.com) -- ESA's orbiting X-ray observatory XMM-Newton has discovered the most massive cluster of galaxies seen in the distant Universe until now. The galaxy cluster is so big that there can only be ...
Carbon nanoballs as data storage units
Sep 01, 2009 |
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Small, smaller, "nano" data storage! Interest is growing in the use of metallofullerenes - carbon “cages” with embedded metallic compounds - as materials for miniature data storage devices. Researchers at ...
Omega Centauri -- The Glittering Giant of the Southern Skies
Dec 02, 2008 |
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Sparkling away at magnitude 3.7 and appearing nearly as large as the full moon on the southern night sky, Omega Centauri is visible with the unaided eye from a clear, dark observing site. Even through a modest ...
Most Black Holes Might Come in Only Small and Large
Aug 20, 2008 |
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(PhysOrg.com) -- Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass. But do black holes also come in size medium? ...
Hubble sees magnetic monster in erupting galaxy
Aug 20, 2008 |
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NGC 1275 is one of the closest giant elliptical galaxies and lies at the centre of the Perseus Cluster of galaxies. It is an active galaxy, hosting a supermassive black hole at its core, which blows bubbles ...
A clash of clusters provides another clue to dark matter
Aug 27, 2008 |
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New Hubble and Chandra observations of the cluster known as MACSJ0025.4-1222 indicate that a titanic collision has separated dark from ordinary matter. This provides independent confirmation of a similar effect ...
Shedding Light on the Cosmic Skeleton
Nov 03, 2009 |
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(PhysOrg.com) -- Astronomers have tracked down a gigantic, previously unknown assembly of galaxies located almost seven billion light-years away from us. The discovery, made possible by combining two of the ...
Oddball stars discovered in new Hubble images
Apr 27, 2009 |
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(PhysOrg.com) -- Professor Adrienne Cool has discovered 24 unusual stars in an ancient star cluster in the Milky Way. Made of helium rather than the usual carbon and oxygen, these white dwarf stars appear ...
Cluster watches Earth's leaky atmosphere
Space & Earth / Earth Sciences
Aug 28, 2008 |
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Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns ...
California's Channel Islands hold evidence of Clovis-age comets
Space & Earth / Earth Sciences
Jul 20, 2009 |
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A 17-member team has found what may be the smoking gun of a much-debated proposal that a cosmic impact about 12,900 years ago ripped through North America and drove multiple species into extinction.
Hubble provides new evidence for dark matter around small galaxies
Mar 12, 2009 |
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Peering into the tumultuous heart of the nearby Perseus galaxy cluster, Hubble discovered a large population of small galaxies that have remained intact while larger galaxies around them are being ripped apart ...
Star Light, Star Bright, Its Explanation is Out of Sight
Jan 06, 2009 |
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(PhysOrg.com) -- A mysterious flash of light from somewhere near or far in the universe is still keeping astronomers in the dark long after it was first detected by NASA's Hubble Space Telescope in 2006. It ...
Researchers explain the activity of black holes at the centre of galaxy clusters
Sep 04, 2009 |
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(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...
PS3s help astrophysicists solve mystery of black hole vibrations
Dec 22, 2008 |
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(PhysOrg.com) -- Using only the computing power of 16 Sony Playstation 3 gaming consoles, scientists at The University of Alabama in Huntsville and the University of Massachusetts, Dartmouth, have solved a ...
