Cepheid Variable — synonyms, definition

1. cepheid variable (Noun)

1 synonym
cepheid
1 definition

cepheid variable (Noun) — (astronomy) a radially pulsating (expanding and contracting) variable star with a regular period, having a known relationship between period and intrinsic luminosity; measurements of the period and observed brightness allow the distance to be inferred. ex. "The distance ladder was built up over several stages first using parallax measurements and then cepheid variables"

2 types of
variable variable star