|Geometric albedo is the ratio of a body's brightness at zero phase angle to the brightness of a perfectly diffusing disk with the same position and apparent size as the body.|
||Explanatory Supplement to the Astronomical Almanac. 1992. K.P. Seidelmann, Ed., University Science Books, Mill Valley, California.
The list of defined terms to the left is by no means exhaustive with
respect to the general subject of solar system dynamics.
The terms listed are thought to be those more commonly used on our site
and thus appropriate for inclusion on this page.