Image: Complete loop of the aurora borealis encircling the North Pole

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On September 15, 1998, the NASA Dynamics Explorer 1 satellite recorded this image, the first of its kind showing the complete loop of the aurora borealis encircling the North Pole. The bright area in the upper left of the image is the sunlit portion of Earth.



This image is part of the PBS Nova documentary Magnetic Storm . Click here to watch.



Source: http://www.pbs.org/wgbh/nova/magnetic

Views: 1,201
Added: 15 years ago.
Topic: General Geology

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