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Cluster Helps Disentangle Turbulence In The Solar WindWashington DC (SPX) Oct 05, 2010 From Earth, the Sun looks like a calm, placid body that does little more than shine brightly while marching across the sky. Images from a bit closer, of course, show it's an unruly ball of hot gas that can expel long plumes out into space - but even this isn't the whole story. Surrounding the Sun is a roiling wind of electrons and protons that shows constant turbulence at every size scale: long streaming jets, smaller whirling eddies, and even microscopic movements as charged particles circle in m ... read more |
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Santa Cruz CA (SPX) Sep 30, 2010A team of planet hunters from the University of California (UC) Santa Cruz, and the Carnegie Institution of Washington has announced the discovery of a planet with three times the mass of Earth orbiting a nearby star at a distance that places it squarely in the middle of the star's "habitable zone." This discovery was the result of more than a decade of observations using the W. M. Keck Ob ... more  
Cambridge MA (SPX) Sep 30, 2010The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds. Our home galaxy, the Milky Way, has long been thought to be the dominant gravitational force in forming the Stream by pulling gas from the Clouds. A new computer simulation by Gurtina Besla (Harvard-Smithsoni ... more  
Washington DC (SPX) Sep 30, 2010NASA has chosen the Naval Research Laboratory's (NRL's) Wide-field Imager to be part of the Solar Probe Plus mission slated for launch no later than 2018. The Solar Probe Plus, a small car-sized spacecraft will plunge directly into the sun's atmosphere approximately four million miles from our star's surface. It will explore a region no other spacecraft ever has encountered in an effort to ... more |
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  UN denies naming 'point of contact' for aliens   Hello, Saturn Summer Solstice: Cassini's New Chapter   Instant online solar energy quotes Solar Energy Solutions from ABC Solar |
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Northern Lights hit 100-year low pointHelsinki (AFP) Sept 28, 2010 The Northern Lights have petered out during the second half of this decade, becoming rarer than at any other time in more than a century, the Finnish Meteorological Institute said Tuesday. The Northern Lights, or aurora borealis, generally follow an 11-year "solar cycle", in which the frequency of the phenomena rises to a maximum and then tapers off into a minimum and then repeats the cycle. "The solar minimum was officially in 2008, but this minimum has been going on and on and on," researcher ... read more |
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