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  Rare Gamma-Ray Flare From A Distant Star Disturbs Earth's Daytime Ionosphere

  February 21, 2006 — On Dec. 27, 2004, scientists detected the largest gamma-ray burst ever recorded. It came from a magnetar -- a neutron star with an enormous magnetic field -- 50,000 light years away. Its powerful ... > full story
• Geomagnetic Storms
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  Satellites See Largest Jet Of Particles Created Between Sun And Earth

  January 13, 2006 — A flotilla of space-weather satellites – ESA’s Cluster and NASA’s ACE and Wind - observed for the first time steady large-scale jets of charged particles in the solar wind between ... > full story
• Sun
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  Stardust Nears End Of Epic Journey; Researchers Await Its Treasure

  January 3, 2006 — The Stardust spacecraft on Jan. 15 is scheduled to return a capsule, with particles collected from comet Wild 2, by parachute to the Utah desert; the end of the seven-year space mission will be just ... > full story
• Geomagnetic Storms
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  Earth Aurora: Chandra Looks Back At Earth

  December 29, 2005 — In an unusual observation, a team of scientists has scanned the northern polar region of Earth with NASA's Chandra X-ray Observatory. The results show that the aurora borealis, or "northern lights," ... > full story
• Mars
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  Hundreds Of Auroras Detected On Mars

  December 13, 2005 — Most of the large planets have global magnetic fields, and thus exhibit some version of the auroras that brighten the night sky in Earth's northern and southern latitudes. Mars, which long ago lost ... > full story
• Geomagnetic Storms
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  Looking At Atmospheric Disturbances During Space Storms: Researchers Create Unprecedented View Of Earth's Upper Atmosphere

  December 6, 2005 — Scientists from NASA and the National Science Foundation discovered a way to combine ground and space observations to create an unprecedented view of upper atmosphere disturbances during space ... > full story
• NASA
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  Imaging The Sun And Solar Wind In 3-D

  November 15, 2005 — The two Solar TErrestrial RElations Observatory (STEREO) spacecraft arrive at the NASA Goddard Space Flight Center in Greenbelt, Md. on Nov. 9 for major testing as they near completion. Set to launch ... > full story
• Space Exploration
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  Coming Soon: The Sun In 3-D

  November 10, 2005 — Twin spacecraft designed to capture 3-D 'stereo' views of the sun and solar wind were shipped from Johns Hopkins to NASA's Goddard Space Flight Center for their next round of pre-launch ... > full story
• Sun
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  Adaptive Optics Produces Ultrasharp Images Of Sunspot

  October 10, 2005 — Advanced technologies now available at the National Science Foundation's Dunn Solar Telescope at Sunspot, NM, are revealing striking details inside sunspots and hint at features remaining to be ... > full story
• Sun
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  NASA Scientists Closer To Timely Space Weather Forecasts

  August 19, 2005 — Scientists funded by NASA have made big strides in learning how to forecast "all clear" periods, when severe space weather is unlikely. The forecasts are important because radiation from particles ... > full story

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