Meaning Of The Word Cepheid (variable)
What's the definition of Cepheid (variable)? Find Cepheid (variable) meanings, definitions and more at the Real Dictionary online.
Cepheid (variable) Meaning
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What's The Definition Of Cepheid (variable)?
Cepheid (variable) in American English
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 Cepheid variable in American English noun: a variable star in which changes in brightness are due to alternate contractions and expansions in volume Cepheid variable in British English noun: any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of suc |
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