Earth science

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

Euler equation

Earth science; Mapping science

Any one of a number of equations discovered by Euler. In particular, Euler's equations of motion or the equation relating the various characteristics of an elliptical orbit.

fee road

Earth science; Mapping science

A road built on land purchased specifically for that purpose.

European Datum 1979

Earth science; Mapping science

A horizontal-control datum having its origin at the point D783t on the northern tower of the Frauenkirche, in Münich, with the same coordinates as those of the European Datum ...

autumnal equinox

Earth science; Mapping science

(1) That point at which the celestial equator intersects the ecliptic and at which the Sun apparently passes from north to south. (2) That time at which the Sun apparently passes ...

etch slip

Earth science; Mapping science

A penci-shaped piece of abrasive used in removing unwanted marks from a metallic pressplate.

faraday effect

Earth science; Mapping science

Rotation of the plane of polarization of plane polarized radiation when the radiation traverses an isotropic, transparent medium placed in a magnetic field having a component in ...