Space/Science — HabitableZone

Space/Science » in reply to re: Have you ever taken a science class?

re: "But greenhouses or cars with windows rolled up are more about blocking heat loss due to convection of the air."

No. Since we are talking about an entire planet, and since the planet cannot lose heat due to convection, car/greenhouse is a good analogy. Both a planet and a car in the sun are closed units as far as transfering heat thru moving heated matter from within to without and moving cooled matter from without to within.

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