From Simple English Wikipedia, the free encyclopedia
The
albedo
of an object is the extent to which it
reflects
light
, more specifically light which comes from the
Sun
. It is defined as the ratio of reflected to incident
electromagnetic radiation
. It is a
unitless
measure indicative of a surface's or body's diffuse
reflectivity
. The word is derived from
albus
, a
Latin
word for "white".
Wikimedia Commons has media related to
albedo
.