Sunspot Blasts Third Powerful X-Flare In A Week
Sunspot AR3842 erupted with an X2-class solar flare In Oct. The same sunspot blasted X9 and X7 flares in the last week.
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Double X Flare As Spacecraft Spots Sun Blasting A Pair Of Major Eruptions
Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...