An exoplanet receives a stellar flux of at the top of its atmosphere
PHYSICS · Subjective · IB Diploma Programme · Physics · The greenhouse effect · The greenhouse effect
Problem
An exoplanet receives a stellar flux of 600Wm−2 at the top of its atmosphere. The planet’s average albedo is 0.30, and its surface behaves as a gray body with emissivity 0.80. Assuming it rotates rapidly enough to have a uniform surface temperature, calculate its equilibrium temperature.