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 ...
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‘Double Solar Flare’ Sees Sun Wake Up Weeks Before Total Solar Eclipse

This morning, a massive solar flare spewing into space at light speed reminds us that the sun is at—or is very close to—the peak of its 11-year magnetic activity cycle. After a month of relatively low ...