rr lyrae variables

R r

Definition of rr lyrae variables words

noun rr lyrae variables any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours 0

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A common word. It’s meaning is known to most children of preschool age. About 90% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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