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Three in Profile


Three energized active regions that were lined up latitudinally (along a North-South line) rotated into profile view at the Sun's edge and put on a good solar show (Oct. 21-23, 2011). They were observed in extreme ultraviolet light. The magnetic forces of the active regions were feverishly connecting and reconnecting the entire time. Towards the end of the clip, the middle region spurted off a burst of plasma and then the upper one erupted with a flare, followed by cascades of bright loops reorganizing themselves above it. SDO's high resolution images and fast cadence of images let us see a level of detail never before possible.

Search Tag(s): 304, loops, flares, active regions




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