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New Cause For Supernova Explosion IdentifiedGarching, Germany (SPX) May 20, 2010 Supernovae, gigantic stellar explosions, are not only used as cosmic yardsticks by cosmologists, they are also important chemical element factories in our Universe. So far, astrophysicists know of two physical processes giving rise to these bursts: one is the core collapse of a massive star at the end of its lifetime, the other the thermonuclear detonation of an old white dwarf star. An international team of researchers, including scientists from the Max Planck Institute for Astrophysics, have now ... read more |
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Paris, France (ESA) May 14, 2010While ESA's Proba-2 keeps its main instruments trained on the Sun, it is also looking back to its homeworld. This wide-angle view of Earth comes from an experimental camera that is smaller than an espresso cup. The Exploration Camera (X-Cam) is carried on the underside of Proba-2, one of 17 new technologies being tested by the mini-satellite. Observing in the visible and near-infrared with ... more  
Pasadena CA (JPL) May 13, 2010It appears flash flooding has paved streambeds in the Xanadu region of Saturn's moon Titan with thousands of sparkling crystal balls of ice, according to scientists with NASA's Cassini spacecraft. By analyzing the way the terrain has scattered radar beams, scientists deduce the spheres measure at least a few centimeters (inches) and maybe up to a couple of meters (yards) in diameter. The spheres ... more  
Garching, Germany (SPX) May 13, 2010Researchers at the Max Planck Institute for Astrophysics in Garching have for the first time managed to reproduce the asymmetries and fast-moving iron clumps of observed supernovae by complex computer simulations in all three dimensions. To this end they successfully followed the outburst in their models consistently from milliseconds after the onset of the blast to the demise of the star ... more |
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 Sun's Constant Size Surprises Scientists   Nuclear fusion: North Korea claims Holy Grail of energy   Instant online solar energy quotes Solar Energy Solutions from ABC Solar |
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X-ray Discovery Points To Location Of Missing MatterBoston MA (SPX) May 13, 2010 Using observations with NASA's Chandra X-ray Observatory and ESA's XMM-Newton, astronomers have announced a robust detection of a vast reservoir of intergalactic gas about 400 million light years from Earth. This discovery is the strongest evidence yet that the "missing matter" in the nearby Universe is located in an enormous web of hot, diffuse gas. This missing matter - which is different from dark matter - is composed of baryons, the particles, such as protons and electrons, that are found on t ... read more |
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