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Northern Lights (41 images)

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The Northern Lights also known as the Aurora Borealis are the result of the interaction of charged particles from sun and the Earth's magnetic field (magnetosphere). Actually it is the earths magnetosphere that has protected the atmosphere from being stripped of important life giving elements by the high energy particles streaming from the sun. High energy cosmic radiation is also diverted by the magnetosphere. In fact you could say that the presence of a magnetosphere and hence am aurora...
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