Magnetic loops, Sun's surface. 太陽表面

Loops of power
Magnetic loops rise from the sun's surface, as seen in an image captured by NASA's Solar Dynamics Observatory. Such loops lie at the heart of eruptions on the sun known as coronal mass ejections, or CMEs. The image was captured on July 19, 2012, and released to the public on Feb. 20, 2013.
NASA / Goddard Space Flight Center via EPA
Year in Space: 2013 - Slideshows and Picture Stories - NBCNews.com
http://www.nbcnews.com/id/53600512/displaymode/1247?beginSlide=1

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