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aurorae Definition
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aurorae
noun(au-ro-ra)dawn
aurorae
noun(au-ro-ra)the Roman goddess of dawn
aurorae
noun(au-ro-ra)a luminous phenomenon that consists of streamers or arches of light appearing in the upper atmosphere of a planet's magnetic polar regions and is caused by the emission of light from atoms excited by electrons accelerated along the planet's magnetic field lines
aurorae
noun(au-ro-ra)an aurora that occurs in earth's southern hemisphere —called also southern lights
aurorae
noun(au-ro-ra)an aurora that occurs in earth's northern hemisphere —called also northern lights