Radiation

Radiation is the direct transfer of heat energy. Energy travels by electromagnetic waves from the Sun to the Earth. The shorter the wavelength, the higher the energy associated with it, such as UV radiation. Con-

Energy coming from the Sun can be scattered, absorbed, and reflected.

versely, the longer the wavelength, the lower the energy associated with it, such as radio waves and microwaves. The majority of radiation from the Sun is in the visible and near-visible portion of the electromagnetic spectrum. Electromagnetic radiation is what can be reflected, scattered, redirected, and absorbed once it reaches the Earth's atmosphere.

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