Zodi

Zodi

The zodi is a unit of zodiacal dust. One zodi is the amount of interplanetary dust in the inner Solar System. This dust absorbs light from the Sun and re-radiates it as thermal radiation. The luminosity of the zodiacal dust in the Solar System is about 10 − 7 {\displaystyle 10^{-7}} relative to the luminosity of the Sun, and in practice, this is the observable characteristic defining one zodi.

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