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Sun Erupts With Biggest Solar Flares of 2016

The double flare event on Saturday unleashed a coronal mass ejection that could side-swipe Earth, boosting space weather effects.

July 25, 2016
2:44 PM EDT
The July 23 M7.6 solar flare as observed by NASA's Solar Dynamics Observatory (SDO). The 3 different images represent different SDO observing wavelengths (from left to right: 193A, 171A and 304A) -- each wavelength represents a different plasma temperature. | NASA/SDO