albedo

Definitions

General Science

Astronomy

  • The proportion of the light (or other radiation) falling on a surface which is reflected away from it. The higher the albedo of a surface the brighter it seems to outside observers. Albedos are usually expressed as percentages. Among the Earth’s near neighbours, albedos run from Mercury’s 6 per cent to Venus’s 76 per cent, while the Earth’s is 36 per cent. Earth and Venus have high albedos because of their cloud-filled atmospheres.

Construction

  • The ratio of reflected light on a surface compared to the total amount of light.

Electronics

  • The ratio of the reflected light or radiation from a surface, to the light or radiation incident upon said surface.

Food

  • The white inner pith of the citrus fruit skin
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