#FB Read of the Day: The Northern Lights - The northern lights, or - TopicsExpress



          

#FB Read of the Day: The Northern Lights - The northern lights, or aurora borealis, are a luminous display of various forms and colors in the night sky of the Northern Hemisphere. They are caused by high-speed electrons and protons from the Sun, which are trapped in the radiation belt above Earth and channeled toward the polar regions by Earths magnetic field. These electrically charged particles enter the atmosphere and collide with air molecules, exciting them to lum... ow.ly/2QBNUd
Posted on: Thu, 13 Nov 2014 00:12:49 +0000

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