12-17-2014
Sun Release M8.7-Class Solar Flare on Dec. 17, 2014
NASA's Solar Dynamics Observatory captured this image of a mid-level solar flare, an M8.7-class, as seen in the bright flash in the middle on Dec. 16, 2014, peaking shortly before midnight EST. Credit: NASA/SDO
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Solar Dynamics Observatory (SDO)
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