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What type of stars are Cepheid variables?

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Cepheids are yellow supergiant stars, and their fluctuations in luminosity result from an actual physical pulsation, with attendant changes in surface temperature and size.

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Get more facts and information about Cepheid variables . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: Does luminosity actually fluctuate in Cepheid variables? Why do Cepheid variables fluctuate in brightness? [ Hide these questions ]

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