Read MoreUnusual geomagnetic storms may make aurora borealis visible in places where it is not usually seen.Unusual geomagnetic storms may make aurora borealis visible in places where it is not usually seen.

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Read MoreUnusual geomagnetic storms may make aurora borealis visible in places where it is not usually seen.Unusual geomagnetic storms may make aurora borealis visible in places where it is not usually seen.