au·ro·rae

(ə-rôr′ē)

A plural of aurora.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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References in periodicals archive

Mahwah, NJ, November 14, 2012 --(PR.com)-- Aurorae Yoga, a Mahwah, New Jersey-based yoga e-retailer, learned that in the last 365 days ending on November 5, 2012, they ranked in the Top 3% of all Amazon.com sellers.

Aurorae Yoga Ranks in Top 3% Among All Amazon Retailers

Aurorae are caused when charged particles stream along the magnetic field of a planet and into its atmosphere.

NASA's Cassini probe discovers mysterious new aurora on Saturn

Solar activity is on the wane; hence, so are the prospects for aurorae visible from midlatitudes.

The Aurora Watcher's Handbook

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