RARE RED AURORAS: Who needs solar activity? Last week the sun was very quiet. Somehow, the lull produced a vivid display of rare red auroras around the Arctic Circle. Learn more about the crimson mystery on today's edition of Spaceweather.com.
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Above: Red auroras over Utsjoki, Finland, on Oct. 12, 2020. Photo credit: Rayann Elzein. Browse:Aurora Photo Gallery.