FILE - In this Feb. 14, 2012, file photo, the northern lights 

FILE - In this Feb. 14, 2012, file photo, the northern lights or aurora borealis shimmer in the sky above Kenai, Alaska, shortly before daybreak. This year and next year are expected to offer prime viewing for the northern lights due to a peak in the cycle of solar activity that causes the lights. The Fairbanks region of Alaska is gearing up for increased tourism as visitors flock to see the colorful but elusive phenomenon.  (AP Photo/Peninsula Clarion, M. Scott Moon) MAGS OUT, NO SALES
Associated Press
FILE - In this Feb. 14, 2012, file photo, the northern lights or aurora borealis shimmer in the sky above Kenai, Alaska, shortly before daybreak. This year and next year are expected to offer prime viewing for the northern lights due to a peak in the cycle of solar activity that causes the lights. The Fairbanks region of Alaska is gearing up for increased tourism as visitors flock to see the colorful but elusive phenomenon. (AP Photo/Peninsula Clarion, M. Scott Moon) MAGS OUT, NO SALES
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