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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 > Remote sensing 
achromatic vision
Earth science; Remote sensing
The perception by the human eye of changes in brightness, often used to describe the perception of monochrome or black and white scenes.
index of refraction (n)
Earth science; Remote sensing
Ratio of the wavelength or velocity of electromagnetic radiation in a vacuum to that in a substance.
oblique photograph
Earth science; Remote sensing
Photograph acquired with the camera intentionally directed at some angle between horizontal and vertical orientations.
radar scatterometer
Earth science; Remote sensing
A non-imaging device that records radar energy backscattered from terrain as a function of depression angle.
signal to noise radio (S/N)
Earth science; Remote sensing
The ratio of the level of the signal carrying real information to that carrying spurious information as a result of defects in the system.
stereoscope
Earth science; Remote sensing
Binocular optical device for viewing overlapping images or diagrams. The left eye sees only the left image, and the right eye sees only the right image.
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)