• The emitted energy is neither visible nor UV light,
because the Earth is not hot enough to emit light in
these regions.
• Since the temperature of the Earth’s surface is
approximately 300K, then according to the equation
above for , if the earth acted like a blackbody,
its wavelength of maximum emission would be about
10 µm.
• Indeed, the Earth’s emission does peak in that
general region, actually at about 13 µm, and consists
of infrared light having wavelength starting at about
5 µm and extending, albeit weakly, beyond 50 µm.
• The emitted energy is neither visible nor UV light,because the Earth is not hot enough to emit light inthese regions.• Since the temperature of the Earth’s surface isapproximately 300K, then according to the equationabove for , if the earth acted like a blackbody,its wavelength of maximum emission would be about10 µm.• Indeed, the Earth’s emission does peak in thatgeneral region, actually at about 13 µm, and consistsof infrared light having wavelength starting at about5 µm and extending, albeit weakly, beyond 50 µm.
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