Daily Archives: October 15, 2017

Aurora Sunday

Posted on October 15, 2017 by Den

AURORAS IN THE USA: Friday the 13th was a lucky day … for auroras. A high-speed solar wind stream sparked moderately-strong G2-class geomagnetic storms, pushing Northern Lights across the Canadian border into at least half a dozen US states. Thomas J. Spence sends this picture … Continue reading →

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