Question
Use the result obtained in Problem 15.1 to estimate the period of a classical Cepheid variable having $M=7 M_{\odot}$ and $R=80 R_{\odot}$.
Step 1
The period \( P \) of a Cepheid variable is related to its mean density \( \rho \) by the relation: \[ P \propto \frac{1}{\sqrt{\rho}} \] Show more…
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