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Suzaku explains cosmic powerhouses
12-20-2007 · EurekAlert!By working in synergy with a ground-based telescope array, the joint Japanese Aerospace Exploration Agency (JAXA)/NASA Suzaku X-ray observatory is shedding new light on some of the most energetic objects in our galaxy, but objects that remain shrouded in mystery.
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Keywords: suzaku, explains, cosmic, powerhouses, explain, powerhouse
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- The frugal cosmic ant
09-27-2007 · EurekAlert!
Using ESO's Very Large Telescope Interferometer and its unique ability to see small details, astronomers have uncovered a flat, nearly edge-on disc of silicates in the heart of the magnificent Ant Nebula. The disc seems, however, too 'skinny' to explain how the nebula got its intriguing ant-like shape.
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- Chandra discovers cosmic cannonball
11-28-2007 · EurekAlert!
One of the fastest moving stars ever seen has been discovered with NASA's Chandra X-ray Observatory. This cosmic cannonball is challenging theories to explain its blistering speed.Astronomers used Chandra to observe a neutron star, known as RX J0822-4300, over a period of about five years. During that span, three Chandra observations clearly show the neutron star moving away from the center of the Puppis A supernova remnant at over 3 million miles per hour.
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- A study proposes a new universal rule to explain the equilibrium of plant populations
09-18-2007 · EurekAlert!
A study financed by the BBVA Foundation and conducted by scientists Carlos Duarte, Nuria Agustм and Nuria Marbа from the Mediterranean Institute for Advanced Studies (CSIC - University of the Balearic Islands) has allowed the first-time formulation of a universal rule that explains the equilibrium of plant communities, showing how plants assure the survival of their species whether their lives last a day or are prolonged over centuries.
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- Study explains why patients with OSA are at higher risk for cardiovascular disease
06-01-2007 · EurekAlert!
Researchers have found that patients with obstructive sleep apnea have higher levels of a type of dead cells (apoptotic cells) from the lining (endothelium) of their blood vessels circulating in their bloodstream than people who do not have OSA. The finding may help explain why those with OSA are at higher risk for cardiovascular disease.
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- Ames Laboratory researchers solve fuel-cell membrane structure conundrum
12-11-2007 · EurekAlert!
Researchers have struggled to explain the molecular structure of proton exchange membranes, the key component in hydrogen fuel cells. Researchers at DOE's Ames Laboratory have developed a model that explains how the membrane works.
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- Supernovae -- cosmic lighthouses
02-09-2007 · EurekAlert!
Astrophysicists explain the differences in the brightness of supernova explosions.
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- Carnegie Mellon University-led team conducts most detailed cosmological simulation to date
06-28-2007 · EurekAlert!
Using a new computer model of galaxy formation, researchers have shown that growing black holes release a blast of energy that fundamentally regulates galaxy evolution and black hole growth itself. The model explains for the first time observed phenomena and promises to deliver deeper insights into our understanding of galaxy formation and the role of black holes throughout cosmic history. The results were generated by an international team of investigators.
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- Genetic mutation explains form of brittle bone disease
10-19-2006 · EurekAlert!
A newly identified gene mutation helps explain a subset of cases of osteogenesis imperfecta, or brittle bone disease, whose origin had until now remained mysterious. Identifying the new mutation is important because children with the disorder, whose bones break easily, are sometimes mistaken as victims of child abuse -- particularly those who do not carry the genetic mutation known to cause most cases of brittle bone disease.
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- Mysterious cosmic rays linked to galactic powerhouses
11-08-2007 · EurekAlert!
The sprawling Auger Cosmic Ray Observatory in South America has produced its first major discovery while still under construction. The international Auger collaboration has traced the rain of high-energy cosmic rays that continually pelts the Earth to the cores of nearby galaxies, which emit prodigious quantities of energy.
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- New theory explains enhanced superconductivity in nanowires
10-18-2006 · EurekAlert!
Superconducting wires are used in magnetic resonance imaging machines. Eventually, ultra-narrow superconducting wires might be used in power lines designed to carry electrical energy long distances with little loss. Now, researchers at the University of Illinois at Urbana-Champaign not only have discovered an unusual phenomenon in which ultra-narrow wires show enhanced superconductivity when exposed to strong magnetic fields, they also have developed a theory to explain it.
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