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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

catalog equinox

Earth science; Mapping science

The zero point of right ascension for stellar catalogs.

blaze

Earth science; Mapping science

(1) A mark made upon a tree trunk at about breast height by cutting out a piece of bark, leaving a flat scar upon the tree's surface. (2) A blaze, in the same sense as (1), with ...

bx

Earth science; Mapping science

The x-component of the representation, in a photogrammetric model, of the air base the line joining two camera stations.

conic chart

Earth science; Mapping science

A chart on a conic map-projection.

boundary precedence

Earth science; Mapping science

The ranking of boundaries of civil units to indicate which boundary should be shown when two or more boundaries overlap on a map. For example, where a national boundary ...

color proof

Earth science; Mapping science

(1) A multicolored print made by coating a sheet with sensitizer and making consecutive exposures through the scribed sheet. Each color requires a separate coating, which is ...

bz-curve

Earth science; Mapping science

A graphical representation of the vertical errors in the aerotriangulation of a strip of photographs. The x-coordinates of the vertical control points, referred to the initial ...