Cepheid variable
English edit
Etymology edit
From Latin Delta Cephei, the first such star identified. From Cepheus, the name of the constellation in which such stars were first discovered. From being a star with variable brightness.
Noun edit
Cepheid variable (plural Cepheid variables)
- (astronomy) A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness.
Translations edit
radially pulsating variable star
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