Solar Flare News

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  Why Solar Wind Is Rhombic-Shaped: Temperature and Energy Equipartition in Cosmic Plasmas Explained

  November 15, 2011 — Why the temperatures in the solar wind are almost the same in certain directions, and why different energy densities are practically identical, was until now not clear. With a new approach to ... > full story
• Geomagnetic Storms
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  2012: Killer Solar Flares Are a Physical Impossibility, Experts Say

  November 11, 2011 — Given a legitimate need to protect Earth from the most intense forms of space weather – great bursts of electromagnetic energy and particles that can sometimes stream from the sun – some ... > full story
• Solar System
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  Giant Planet Ejected from the Solar System?

  November 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to a new ... > full story
• Weather
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  Space Weather Prediction Model Improves Forecasting

  October 20, 2011 — NOAA is now using a sophisticated forecast model that substantially improves predictions of space weather impacts on Earth. Better forecasts offer additional protection for people and the ... > full story
• Sun
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  Dark and Bright: European Space Agency Chooses Next Two Science Missions

  October 5, 2011 — The powerful influence of the sun motivates the European Space Agency’s next science mission. Solar Orbiter was selected for implementation, with launch planned for 2017. Scientists in Germany ... > full story
• Geomagnetic Storms
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  Strong Solar Storm Reaching Earth

  September 26, 2011 — NOAA's Space Weather Prediction Center -- the nation's official source of warnings and alerts about space weather and its impacts on Earth -- issued a warning for a strong, G3 geomagnetic storm on ... > full story
• Geomagnetic Storms
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  Sunspot 1302 Continues to Turn Toward Earth

  September 26, 2011 — A strong-to-severe (Kp=8) geomagnetic storm is in progress following the impact of a coronal mass ejection (CME) at approximately 8:15a.m. EDT (12:15 UT) on Sept. 26. The Goddard Space Weather Lab ... > full story
• Geomagnetic Storms
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  Solar Activity Can Affect Re-Entry of UARS Satellite

  September 23, 2011 — The Upper Atmosphere Research Satellite (UARS) is headed toward Earth, but it hasn't been easy to precisely determine the path and pace of UARS because space itself changes over time -- in response ... > full story
• Stars
  Astrophysics
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  Turbulent Lives of Stars

  September 15, 2011 — The stars are boiling! This is because of the energy generated in the center of the star that wants to escape. If this does not happen quickly enough, the star starts to 'boil' in the outer layers ... > full story
• Geomagnetic Storms
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  Space Instrument Observes New Characteristics of Solar Flares; Findings May Lead to Improved Space Weather Forecasting

  September 7, 2011 — NASA's Solar Dynamics Observatory, which is carrying a suite of instruments, has provided scientists with new information that energy from some solar flares is stronger and lasts longer than ... > full story

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  • Something New on the Sun: SDO Spots a Late Phase in Solar Flares

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