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NASA's Solar Dynamics Observatory took these images of the same X3.2-class flare from that erupted on May 13. NASA described the images:
"Starting in the upper left and going clockwise, the images show light in the 304-, 335-, 193-, and 131-angstrom wavelengths. By looking at the sun in different wavelengths, scientists can view solar material at different temperatures, and thus learn more about what causes flares."
X-class solar flares
Here are the first three X-class solar flares that were launched in under 24 hours on May 12-13.
May 13 flare
This image of the May 13 flare, shown in the upper left corner, was captured by NASA's Solar Dynamics Observatory in light of 131 angstroms,