Michagan Aurora on Jan. 7, 2005

A coronal mass ejection (CME) that sent plasma hurtling toward space erupted Jan. 1, 2005 from the sunspot designated Active Region 719, causing a geomagnetic storm and sparking aurora on Jan. 7, 2005. Here's a view from the ground taken in Marquette, Mich. Image courtesy of Brian and Shawn Malone.

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