DonateJoinSign In

[10.5.2.5] extraterrestrial solar irradiance constant

Extraterrestrial beam solar irradiance on a plane perpendicular to a line through the centers of the sun and earth at the mean distance of the earth from the sun. Units: W/m2. The currently accepted default value is 1,366 W/m2. Also called solar constant.

« Back to Definitions Index