411 REFERENCE · Wiktionary
Cepheid variable
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From en la Delta Cephei, the first such star identified. From la Cepheus, the name of the en constellation in which such stars were first discovered. From being a star with variable brightness.
Noun
en star A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness.
Translations
radially pulsating variable star
French: fr céphéide f
Irish: ga réalta athraitheach Ceifide f
Spanish: es estrella variable Cefeida f