Mars is farther away from the Sun than Earth. Therefore, less radiation from the Sun reaches Mars. Mars also has a lower albedo than Earth. Mars emits 130 Wm to space from the TOA. Mars also has an atmosphere, though it is a lot different than Earth's. Due to its atmosphere, Mars' surface temperature is 240 K (-33°C), and the surface emits 188 Wm. a. Calculate Mars' effective radiating temperature at the TOA. b. Calculate the greenhouse effect (the temperature difference) on Mars due to the presence of its atmosphere. c. These values from a) and b) are ____________ [Pick one: smaller than, the same as, larger than] those for Earth.

Mars is farther away from the Sun than Earth. Therefore, less radiation from the Sun reaches Mars. Mars also has a lower albedo than Earth. Mars emits 130 Wm to space from the TOA. Mars also has an atmosphere, though it is a lot different than Earth's. Due to its atmosphere, Mars' surface temperature is 240 K (-33°C), and the surface emits 188 Wm. a. Calculate Mars' effective radiating temperature at the TOA. b. Calculate the greenhouse effect (the temperature difference) on Mars due to the presence of its atmosphere. c. These values from a) and b) are ____________ [Pick one: smaller than, the same as, larger than] those for Earth.

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