Aurora over Yellowknife, Canada, September 2, 2012  Credit: AuroraMAX  AuroraMAX observatory tweeted this photo and wrote: "Latest image of aurora borealis above Yellowknife, taken at 02:09 MDT on September 02, 2012."

Aurora over Yellowknife, Canada, September 2, 2012 Credit: AuroraMAX AuroraMAX observatory tweeted this photo and wrote: "Latest image of aurora borealis above Yellowknife, taken at 02:09 MDT on September 02, 2012."

Aurora Borealis. Bjørn Jørgensen took this image in Grøtfjord close to Tromsø, North Norway, Jan. 22, 2012.

Aurora Borealis. Bjørn Jørgensen took this image in Grøtfjord close to Tromsø, North Norway, Jan. 22, 2012.

'..And what were thou, and earth, and stars, and sea, if to the human mind's imaginings silence and solitude were vacancy?' -Shelley, 'Mont Blanc'

'..And what were thou, and earth, and stars, and sea, if to the human mind's imaginings silence and solitude were vacancy?' -Shelley, 'Mont Blanc'

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