Question: Suppose two stars of the same apparent brightness are also believed to be the same size. The spectrum of one star peaks at 800nm whereas

Suppose two stars of the same apparent brightness are also believed to be the same size. The spectrum of one star peaks at 800nm whereas that of the other peaks at 400nm. Use Wien’s law and the Stefan-Boltzmann’s equation (Eq. 14-5) to estimate their relative distance from us.

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