What is an aurora?

What is an aurora? Here are some definitions.

Noun An atmospheric phenomenon created by charged particles from the sun striking the upper atmosphere, creating coloured lights in the sky. It is usually named australis or borealis based on whether it is in the Southern or Northern Hemisphere respectively. Find more words! 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This causes the phenomenon called the northern lights, also known as the aurora borealis. After dreaming up a death ray and an artificial aurora to light the world at night, he died in a hotel tending his pet pigeons. The orangish arc extending to the left from the aurora is airglow viewed edgewise on the limb of the Earth. Thanks to scientific satellites which monitor the sun, it is possible to know in advance when an aurora might occur. In the night the aurora australis made a very brilliant and luminous appearance. See Also What is another word for aurora? What is the opposite of aurora? Sentences with the word aurora Words that rhyme with aurora What is the plural of aurora? What is the adjective for aurora? What is the noun for aurora? Translations for aurora Nearby Definitions aurophobia aurophilic aurones aurone aurocyanides aurocyanide Aurora aurora australis aurora austrealis aurora borealis aurora-colored aurora-coloured 6-letter Words Starting With a au aur auro auror