Quadruple X-Flaring Sunspot Is At It Again | Video

After a day of rest, active region 1748 unleashed class-M1.3 and M3.2 flares on May 16th and 17th, 2013. This same storm blasted 4 X-class flares between May 13 and 15.
credit : NASA / SDO / Mash Mix: SPACE.com
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