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FILE- In this March 9, 2011 file photo, the aurora borealis, or northern lights, fill the sky above the Takotna, Alaska checkpoint during the Iditarod Trail Sled Dog Race. Some folks are predicting 2012 will be a banner year for viewing the northern lights. (AP Photo/The Anchorage Daily News, Bob Hallinen, FILE)

FILE- In this March 9, 2011 file photo, the aurora borealis, or northern lights, fill the sky above the Takotna, Alaska checkpoint during the Iditarod Trail Sled Dog Race. Some folks are predicting 2012 will be a banner year for viewing the northern lights. (AP Photo/The Anchorage Daily News, Bob Hallinen, FILE)

Northern Lights

The Northern Lights, also known as Aurora Borealis, occurs when energy particles from the sun interact with the earth’s magnetic field.