What causes those colorful lights to appear in the polar night skies?



  1. 0 Votes

    They are caused by photon emissions in the atmosphere – as Wikipedia explains it, “from ionized nitrogen atoms regaining an electron, and oxygen and nitrogen atoms returning from an excited state to ground state.”

  2. emc
    0 Votes

    That would be the Aurora Borealis, or commonly known as the Northern Lights.  The sun constantly emits heat and sometimes solar flares, creating vast amounts of magnetized energy that generates outward into space.  The Earth’s north and south magnetic poles attract and channel this energy to the polar regions.  Electrons and protons are deposited in the high levels of our atmosphere, causing the Aurora.  For pictures and more information on the Aurora, go to: http://odin.gi.alaska.edu/FAQ

Please signup or login to answer this question.

Sorry,At this time user registration is disabled. We will open registration soon!