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Physics, 28.11.2019 21:31 Ivy2k

The sun radiates energy. does the earth similarly radiate energy? if so, why can’t we see the radiant energy from the earth?
1. yes, the earth radiates energy, but only in the sense that the energy is reflected sunlight, which we can’t see from the earth’s surface.
2. no, the earth does not similarly radiate energy.
3. yes, the earth radiates energy, but since the peak frequency f is directly proportional to the absolute temperature of the radiator, the wavelength of the radiation is far too long for us to see.
4. yes, the earth radiates energy, but since the peak frequency f is directly proportional to the temperature of the radiator in degrees kelvin, the frequency of the radiation from the earth is in the ultraviolet range (so that.

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