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A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.
Green Matters on MSN
Scientists Finally Discover How Earth Experienced Its First ‘Polar Rain’ Auroras
Likely triggered by some excited electrons in the Sun, the aurora appeared in Norway's skies for two days around Christmas of ...
Space.com on MSN
Aurora alert! Butterfly-shaped 'hole' in sun's atmosphere could spark geomagnetic storm Sept. 13-14
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
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