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Why Were There Not More Widespread Auroras This Past Week?

  Image of the partial solar eclipse taken on October 23, 2014 by Peter Batty/Flickr If you’ve been looking at the news recently, you may have read about a supersized sunspot which is still just about visible on the solar surface. The sunspot, named AR2192, is so huge that it was visible to the “naked eye” during the partial solar eclipse[…]