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What is meant by Aurora Borealis? - Geography

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What is meant by Aurora Borealis?

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Aurora Borealis, commonly called the Northern Lights (or polar lights), is a natural, dynamic display of shimmering light seen as rays, curtains, spirals or flickers visible in high‑latitude skies when charged particles from the Sun are funneled by the Earth’s magnetic field into the upper atmosphere and collide with gases there (principally in the ionosphere/thermosphere), producing visible glows of different colors; it is most often observed beyond about 65° latitude in the polar regions.

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Chapter 18: Natural Regions of the World - SOLVE AND SCORE [Page 214]

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Rachna Sapra Geography [English] Class 9 ICSE
Chapter 18 Natural Regions of the World
SOLVE AND SCORE | Q D. 20. (a) | Page 214
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