Cepheid variable stars change in luminosity with a typical period of several days. The period has been

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Cepheid variable stars change in luminosity with a typical period of several days. The period has been found to have a definite relationship with the absolute luminosity of the star. How could these stars be used to measure the distance to galaxies?

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Organic Chemistry

ISBN: 978-0131407480

4th edition

Authors: Paula Yurkanis Bruice

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Question Posted: Aug 18, 2010 10:57 PM

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Cepheid variable stars change in luminosity with a typical period of several days. The period has been

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Measure the period of the changing luminosity of a Cepheid variable and then use ...View the full answer

Organic Chemistry

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