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Universalium. 2010.
Cepheid (variable) — [sef′ē id, sē′fēid] n. [after CEPHEUS + ID] any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period luminosity relation, the distance of such a star can be determined: sometimes cepheid… … English World dictionary
Cepheid (variable) — [sef′ē id, sē′fēid] n. [after CEPHEUS + ID] any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period luminosity relation, the distance of such a star can be determined: sometimes cepheid… … English World dictionary
Cepheid variable — This article is about a class of pulsating stars. For the similarly named constellation, see Cepheus (constellation). Cepheids redirects here. For the fictional species, see Blind Alley . A Cepheid ( /ˈs … Wikipedia
cepheid variable — noun see cepheid * * * Astron. a variable star in which changes in brightness are due to alternate contractions and expansions in volume. Also, cepheid variable. [1900 05; CEPHE(US) + ID1] * * * Cepheid variable /sēˈfi id/ noun (astronomy) Any… … Useful english dictionary
Cepheid variable — Astron. a variable star in which changes in brightness are due to alternate contractions and expansions in volume. Also, cepheid variable. [1900 05; CEPHE(US) + ID1] * * * One of a class of variable stars whose period of variation is closely… … Universalium
Cepheid variable star — /ˈsifiəd/ (say seefeeuhd) noun a supergiant star which is a variable star in which changes in brightness are due to bodily pulsations. Also, Cepheid variable. {from Cephe(us), a northern constellation + id1} …
cepheid variable — noun A radially pulsating (expanding and contracting) variable star with a regular period and known relationship between period and intrinsic brightness … Wiktionary
Cepheid variable — Ce′pheid var iable n. astron. a variable star with a short period of 1 to 50 days in which changes in brightness are due to alternations in volume • Etymology: 1900–05; Cephe (us) + id I … From formal English to slang
Cepheid Variable — A Yellow Supergiant star that changes its brightness in a rather accurate cycle. The brightness may change in a day, or it may take hundreds of days. The change in brightness is caused by the star expanding and contracting like a balloon. The… … The writer's dictionary of science fiction, fantasy, horror and mythology
Classical Cepheid variable — Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star. They are population I, variable stars that exhibit pulsation periods in the order of a few days to months,… … Wikipedia
