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aurora - What does it mean?

Definition of 'aurora'

English

Noun

(en-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 hemispheres respectively.
  • Synonyms

    * polar light

    Derived terms

    * aurora australis * aurora borealis * auroral * aurorean

    Similar to 'aurora'

    arara