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Loops in Profile


Spiraling magnetic loops observed in extreme ultraviolet light by SDO danced and twisted above an active region on the Sun over a one-day period (June 25-26, 2011). These loops are charged particles spinning along the magnetic field lines, and, thereby, visually revealing them. This active region, while not a powerful one, could evolve over time. It is interesting to note that the bright areas are actually groups of interacting sunspots (which appear dark in normal filtered light), but they appear bright in extreme ultraviolet light due to their condensed areas of magnetic activity.

Search Tag(s): 171, loops




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