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Northern Lights

An Aurora Borealis spins above the Talkeetna Range and a hay field on Farm Loop Road near Palmer, Alaska, on Friday, Feb. 29, 2008. The center of the circular corona, usually near Earth's north pole sometimes fluctuates further south and can be seen from a lower latitude as in this instance. (AP Photo/Bob Martinson)

Northern Lights

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