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Dazzling Duo


As SDO observed in extreme ultraviolet light, a pair of active regions put on quite a show over a three-day period (Feb. 7-10, 2011). The magnetic field lines above the regions produced fluttering arcs waving above them as well as a couple of flares. Another pair of smaller active regions emerges and trails behind the larger ones.

Search Tag(s): 171, active regions, loops




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