FILE - This Jan. 23, 2012 file photo shows the aurora borealis, 

FILE - This Jan. 23, 2012 file photo shows the aurora borealis, or Northern Lights, near the city of Talkeetna, Alaska. 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/Michael Dinneen, file)
Associated Press
FILE - This Jan. 23, 2012 file photo shows the aurora borealis, or Northern Lights, near the city of Talkeetna, Alaska. 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/Michael Dinneen, file)
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