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Also known as Cepheid, Cepheid Inc, variable star, Cepheid variable star, CEP

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AI overview

A Cepheid variable is a type of star that regularly grows brighter and dimmer in a predictable pattern over time. These stars are important to astronomers because the relationship between how bright they actually are and how quickly they change brightness helps scientists measure distances to distant galaxies.

AI-generated from the Wikipedia summary — may contain errors.