The restless sunspot is disrupting radio communications. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A restless sunspot threw off a double ...

Add Yahoo as a preferred source to see more of our stories on Google. Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar Dynamics ...

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