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Arctic Midnight Sun

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Uploaded on May 1, 2009

The midnight sun is a natural phenomenon occurring in summer months at latitudes north and nearby to the south of the Arctic Circle, and south and nearby to the north of the Antarctic Circle where the sun remains visible at the local midnight. Given fair weather, the sun is visible for a continuous 24 hours, mostly north of the Arctic Circle and south of the Antarctic Circle. The number of days per year with potential midnight sun increases the farther poleward one goes.

The opposite phenomenon, polar night, occurs in winter when the sun stays below the horizon throughout the day.

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