The Sun unleashed an M-2 (medium-sized) solar flare, an S1-class (minor) radiation storm and a spectacular coronal mass ejection (CME) on June 7, 2011 from sunspot complex 1226-1227. The large cloud of particles mushroomed ...
Space Exploration
Jun 7, 2011
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An unusual solar flare observed by a NASA space observatory (video) on Tuesday could cause some disruptions to satellite communications and power on Earth over the next day or so, officials said.
Space Exploration
Jun 7, 2011
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(PhysOrg.com) -- Coronal Mass Ejections (CMEs) are violent solar explosions that can propel up to 10 billion tons of the Sun’s atmosphere – at a million miles an hour – out through the corona and into space. ...
Space Exploration
Apr 15, 2011
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(PhysOrg.com) -- A powerful solar flare has ushered in the largest space weather storm in at least four years and has already disrupted some ground communications on Earth, said University of Colorado Boulder Professor Daniel ...
Space Exploration
Feb 18, 2011
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A powerful solar eruption that triggered a huge geomagnetic storm has disturbed radio communications and could disrupt electrical power grids, radio and satellite communication in the next days, NASA said.
Space Exploration
Feb 17, 2011
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(PhysOrg.com) -- On February 11, 2010, at 10:23 in the morning, NASA's Solar Dynamics Observatory (SDO) launched into space on an Atlas rocket from Cape Canaveral. A year later, SDO has sent back millions of stunning images ...
Space Exploration
Feb 14, 2011
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(PhysOrg.com) -- Physicists, led by a researcher at the University of Warwick, studying new images of clouds of material exploding from the Sun have spotted instabilities forming in that exploding cloud that are similar to ...
Space Exploration
Feb 4, 2011
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(PhysOrg.com) -- The first large-scale, physics-based space weather prediction model is transitioning from research into operation.
Space Exploration
Jan 26, 2011
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(PhysOrg.com) -- Our Sun can be a menace when it sends out powerful solar blasts of radiation towards the Earth. Astronomers keenly watch the Sun to learn more about what powers these solar eruptions, in hopes of being able ...
Space Exploration
Dec 8, 2010
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(PhysOrg.com) -- The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in loops that are twisted ...
Space Exploration
Oct 29, 2010
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