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Title: Why are Cepheid variables important? Post by: Astronomy HW on May 4, 2022 Why are Cepheid variables important?
a. Cepheid variables are stars that vary in brightness extremely rapidly as they rotate on their axes. b. Cepheids are a type of young galaxy that helps us understand how galaxies form. c. Cepheids are supermassive stars that we observe because they will soon undergo supernovae. d. Cepheid variables are stars that brighten and dim with a period that is directly related to the star's luminosity. Title: Re: Why are Cepheid variables important? Post by: bio_man on May 4, 2022 d. Cepheid variables are stars that brighten and dim with a period that is directly related to the star's luminosity. |