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Stefan-Boltzmann Law
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Astronomy
AST.068 Stefan-Boltzmann Law
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Star B has the same radius as Star A, but its Kelvin temperature is 20% lower. That means T_B/T_A = 0.8. Which comparison is closest?
A
Star B should be about 0.80 times as luminous as Star A.
B
Star B should be about 0.64 times as luminous as Star A.
C
Star B should have the same luminosity as Star A.
D
Star B should be about 0.41 times as luminous as Star A.
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