If you missed the brilliant displays of the aurora borealis over North America on May 10, you may have another chance to see them on Friday night. The same sunspot region that triggered Earth's largest magnetic storm in almost 20 years earlier this month has rotated back to the Earth-facing side of the sun, though…
Sunspot that delivered northern lights is returning What to know
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Sunspot that unleashed extreme solar storm is returning What to know
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