http://www2.ucar.edu/sites/default/files/news/2011/corona1MKraw_0.jpg
http://www2.ucar.edu/news/5007/wave-power-can-drive-suns-intense-heat
Alfvén waves in motion - NCAR solar heating research
http://www.youtube.com/watch?feature=player_embedded&v=DKKydwcERFE
A satellite-derived image, looking down on a layer of the Sun's atmosphere, or corona, at which the temperature is 1 million degrees kelvin (1MK, or 1.8 million degrees Fahrenheit). In this cropped, still image from Movie 1, the curved lines are coronal loops, most likely composed of hot plasma flowing along magnetic field lines. Some coronal loops are so long that their tops extend beyond the field of view. (Visualization by Scott McIntosh, NCAR, of data from the Atmospheric Imaging Assembly, a package of instruments aboard NASA's Solar Dynamics Observatory. (Credit: ©UCAR)
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