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Northern Lights

A band of Aurora Borealis, the Northern Lights, stretches over the Chugach Range near Palmer, Alaska in this February file photo. Scientists think they have discovered the energy source of the spectacular color displays seen in the northern lights. (AP Photo/Bob Martinson, 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.