cepheid

Describe the connection between cepheid variable stars and the period-luminosity relation. Explain how you would use the spectrum of a star to estimate its distance.

Homework Paper Research each of the following four topics and submit your answers in a document in .docx (Word) or PDF format: Describe two ways of determining the diameter of a star. Describe the connection between cepheid variable stars and the period-luminosity relation. Explain how you would use the spectrum of a star to estimate […]

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