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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 
acoustics
Earth science; Mapping science
(1) In general, that part of physics which concerns itself with sound - its causes, characteristics, and effects. In surveying, acoustics is involved primarily in the ...
baker nunn camera
Earth science; Mapping science
A telescope having a spherical primary mirror and a specially figured correcting plate, and a special mounting for tracking artificial satellites. The optical system was ...
adjoining
Earth science; Mapping science
Touching, as distinguished from being merely close to or adjacent. adjoining and abutting are at present often used as if they were synonymous. However, it is recommended that ...
azimuth equation
Earth science; Mapping science
A condition equation expressing the relationship between the fixed azimuths of two lines connected by traverse or triangulation. When traverse or triangulation connects two ...
visual acuity
Earth science; Mapping science
A measure of the ability of the eye to separate details in viewing an object, and taken to be the reciprocal of the smallest angular separation, in minutes of arc, of two lines ...
electronic bearing
Earth science; Mapping science
A bearing obtained using an electronic instrument.
great circle bearing
Earth science; Mapping science
The initial direction of a great circle through two terrestrial points, expressed as angular distance from a reference direction. It is usually measured clockwise from the ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)