Strange Spun-Up Sunspot Shifts Its Shape

Wednesday, August 24, 2011 - 16:00 in Astronomy & Space

Sunspot 1271 has been changing form over the past 72 hours, possibly a pre-cursor to a M-Class solar flare that could pose a threat to Earth. Includes Solar Dynamic Observatory imagery time-lapsed from August 22-24, 2011.

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