Question:

Heat escapes from the planet's surface into space by thermal radiation. Planets radiate almost entirely in the

by  |  earlier

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infrared.

ultraviolet.

radio.

visible.

none of these

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3 ANSWERS


  1. Infrared.  UV in, IR out.


  2. Infrared.

    It is a function of the black body radiation, that establishes a relationship between the temperature of an object and the frequency with which energy is radiated back.

  3. Infrared.

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