If the Flux of Sunlight on a Planet Suggested Its

Multiple Choice

If the flux of sunlight on a planet suggested its temperature should be 200 K but its actual temperature was 220 K, then how much more energy does this planet emit relative to the energy it receives from its parent star?

A) 5.3 times more energy
B) 2.1 times more energy
C) 2.9 times more energy
D) 1.1 times more energy
E) 1.5 times more energy