Aurorae or Auroras originates from the Latin word Aurora, “Sunrise” or the Roman goddess of dawn. It’s a natural light display in the sky particularly in the high latitude (Arctic and Antarctic) regions, caused by the collision of energetic charged particles with atoms in the high altitude atmosphere (thermosphere). The charged particles originate in the magnetosphere and solar wind and, on Earth.
c/o http://en.wikipedia.org/wiki/Aurora
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