Question

5. A Planet & Its Surface Temperature: A fast rotating planet of radius with surface albedoais
orbiting a star of luminosityL. The Orbital radius is d. It is assumed here that, at equilibrium, all
of the energy absorbed by the planet is re-emitted as a blackbody radiation.
(a) What is the radiation flux from the star at the planet's surface?
(b) What is the total rate of energy absorbed by the planet?
(c) What is the reflected luminosity of the planet?
(d) What is the average blackbody temperature of the planet's sur-face?
(e) If we were to assume that one side of the planet is always facing the star, what would be the
average surface temperature of that side?
(f)For the planet in problem d, ifa= 0.25 d= 1.523 AU and L=L, calculate surface temperature of the planet in kelvin​

Answer 1

Answer:

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Answer 2

Answer:

your answer is C

Explanation:

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