Stars located in a certain cluster are thought to beabout
Chapter 44, Problem 44.15(choose chapter or problem)
Stars located in a certain cluster are thought to beabout the same distance from us. Two such stars havespectra that peak at = 470 nm and A2 = 720 nm, andthe ratio of their apparent brightness is b i/b 2 = 0.091.Estimate their relative sizes (give ratio of their diameters)using Wiens law and the Stefan-Boltzmann equation, Eq. 19-17.
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