Wednesday, December 12, 2007

Energy source for Northern Lights confirmed - definitely not Dust

Sorry Asriel fans!


"New data from NASA's Themis mission, a quintet of satellites launched this winter, found the energy comes from a stream of charged particles from the sun flowing like a current through twisted bundles of magnetic fields connecting Earth's upper atmosphere to the sun."


One geomagnetic storm had the energy equivalent of a 5.5 magnitude earthquake.


Thanks to Wired News

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