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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Mapping science 
diffraction grating
Earth science; Mapping science
(1) A set of precisely spaced, parallel lines which cause incident electromagnetic radiation to be diffracted either upon reflection or upon transmission between the lines. (2) ...
DoD standard indexing system
Earth science; Mapping science
A system, used within the U. S. Department of Defense, for indexing all aerial photographs held by the U. S. Government. The flights made for aerial photography are plotted on ...
relative direction
Earth science; Mapping science
A horizontal angle expressed with respect to a heading.
diameter of a circle
Earth science; Mapping science
A line segment joining two points of a circle and passing through the center of the circle.
tangent distance
Earth science; Mapping science
The distance from the point of intersection (vertex) of a curve to its point of tangency or point of curvature.
angular distortion
Earth science; Mapping science
(1) The failure of a lens system to reproduce accurately, in image space, the angle subtended by two points in object space. (2) Distortion, in a map projection, because of non ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)