1 October 2003
Unit of electrical power equal to rate of work done by one ampere under
a potential of one volt.
Distance between successive wave crests or other equivalent points in
Wien's displacement law
Describes the shift of the radiant power peak to shorter wavelengths as
The WRS is a global indexing scheme designed for the Landsat
program based on nominal scene centers defined by path and row
Rotation of an aircraft about its vertical axis so that the longitudinal axis
deviates left or right from the flight line.
Zenith is the point on the celestial sphere vertically above a given
position or observer.
A Mediterranean term for any soft, gentle breeze.