From Latin albēdō 'whiteness,' from albus 'white,' adopted into astronomy in 1760 to measure surface reflectivity.
The proportion of incident light or radiation reflected by a surface, typically that of a planet or moon.
From Latin albēdō meaning 'whiteness,' derived from albus 'white.' Introduced into optics and astronomy by Johann Heinrich Lambert in 1760 to quantify reflectivity of celestial bodies. Key roots: *albʰós (Proto-Indo-European: "white").