Whether it's a giant solar flare or a beautiful green-blue aurora, just about everything interesting in space weather happens due to a phenomenon called magnetic reconnection. Reconnection occurs when magnetic field lines ...
Space Exploration
Apr 29, 2011
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(PhysOrg.com) -- The largest disturbances to the Earth's geomagnetic environment occur when it is buffeted by solar material hurled in our direction by explosive changes in the Sun's atmosphere. These Coronal Mass Ejections ...
Space Exploration
Apr 20, 2011
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(PhysOrg.com) -- The sight of an aurora evokes feelings of mystery and awe in the weekend star gazer and scientist alike. The stargazer may ponder the vastness of our universe or how such vivid color can be created in space, ...
General Physics
Feb 24, 2011
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(PhysOrg.com) -- It's official: The sun is a sphere.
Space Exploration
Feb 7, 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) -- Saturn's icy moon Rhea might seem a strange place to look for clues to understanding the vast majestic rings encircling Saturn. But that's what NASA's Cassini spacecraft plans to do on its next flyby of Rhea. ...
Space Exploration
Jan 11, 2011
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During a total eclipse of the Sun, skywatchers are awed by the shimmering corona -- a faint glow that surrounds the Sun like gossamer flower petals. This outer layer of the Sun's atmosphere is, paradoxically, hotter than ...
Space Exploration
Jan 4, 2011
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(PhysOrg.com) -- Invisible to the naked eye, yet massive in structure around the Earth is the magnetosphere, the region of space around the planet that ebbs and flows in response to the million-mile-per-hour flow of charged ...
Space Exploration
Dec 14, 2010
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Researchers at the Princeton Plasma Physics Laboratory have successfully used Coaxial Helicity Injection (CHI) to generate plasma current and couple it to a conventional current generation method at the National Spherical ...
Plasma Physics
Nov 8, 2010
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Twisted "ropes" of magnetic field lines erupt from the Sun and tanglewith the Earth's magnetic field.
Plasma Physics
Nov 8, 2010
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