Albedo

Astronomical Dictionary

The total ratio of sunlight reflected by a planet or body compared to what it receives from the Sun. Planets with dense atmospheres have higher albedos than those with no atmospheres. A value of 1 represents a perfectly reflecting (white) surface, whilst a value of zero represents a perfectly absorbing (black) surface. Some typical albedos are: The Earth - 0.39; The Moon - 0.07; Venus - 0.59.

 
Astronomical [1] [2] [3] [4] [5] [6] [7] [8] [9]

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