The luminosity of the Rigel star is 1700...

The luminosity of the Rigel star is 17000 times that of the sun. Assume both to be perfectly back bodies. If the surface temperature of the sun 6000 K, then the temperature of the star is around `("Take "17000^(1//4)=11.4)`

68400 K

58400 K

38600 K

32600 K

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