Les aurora borealis

Les-Aurores-Boreales-Aurora-Borealis-30

“Auroras are caused by charged particles, mainly electrons and protons, entering the atmosphere from above causing ionisation and excitation of atmospheric constituents. Incident protons can also produce emissions as hydrogen atoms after gaining an electron from the atmosphere”

Funny how a definition so boring is an explanation of something that is actually so marvelous and so hard to behold. 

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