Definition for Cepheid
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Revision as of 23:56, 6 August 2013 by Nite n day (Talk | contribs) (Created page with "Cepheids are large mass variable stars with a definite relationship between period and luminosity, which can be as high as thousands of suns.")
Cepheids are large mass variable stars with a definite relationship between period and luminosity, which can be as high as thousands of suns.
