Contact: Susan Hendrix
NASA/Goddard Space Flight Center
Caption: These images from NASA's Solar Dynamics Observatory show four X-class flares emitted on May 12-14, 2013 -- the first four X-class flares of 2013. Each panel is a blend of two images one showing light in the 171 Angstrom wavelength and the other in 131 Angstroms.
Credit: Credit: NASA/SDO/GSFC
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