This labeled image taken by SDO's Helioseismic and Magnetic Imager shows the location of two active regions on the sun, labeled AR1944 and AR1943, which straddle a giant sunspot complex. A Jan. 7, ... more 
This labeled image taken by SDO's Helioseismic and Magnetic Imager shows the location of two active regions on the sun, labeled AR1944 and AR1943, which straddle a giant sunspot complex. A Jan. 7, 2014, X1.2-class flare emanated from an area cl less 
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SPACE.com | Photo By NASA/SDO
Wed, Jan 8, 2014 12:00 PM EST