RR Lyrae variables Hear it!

RR Lyrae variables definition

RR Ly·rae variables (är′är′ lī′rē)

any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours

Etymology: RR, astronomical code designation of tenth variable + Lyrae, gen. of L Lyra, Lyra

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments


Do you have more to add? Sign in to share your linguistic knowledge or observation.

Connect with Facebook