Earth's surface emits longer-wave infrared radiation because it is so cool.

Name: Earth's surface emits longer-wave infrared radiation because it is so cool.
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Question

Quizplus · Accepted Answer

Earth's surface temperature is around 288 K (15 °C), which is much cooler than the temperature of the sun (5,500 °C). Cooler objects emit longer wavelengths of radiation, which in this case is mainly infrared radiation. Hence, Earth's surface emits longer-wave infrared radiation.

Earth's Surface Emits Longer-Wave Infrared Radiation Because It Is So