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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

thermometric altimetry

Earth science; Mapping science

Determining elevations, or differences of elevation, by measuring the boiling point of water. The temperature at which water boils at any point on the Earth depends on the ...

polyhedral angle

Earth science; Mapping science

The solid angle bounded by a set of planes that intersect at a common point in such a way that each plane is bounded by the lines of intersection and intersects exactly to other ...

bar check apparatus

Earth science; Mapping science

An apparatus consisting of a bar or disk, with associated machinery for lowering and hoisting, which is lowered from the side of a ship to an accurately known depth. The depth ...

atlas

Earth science; Mapping science

A collection of maps designed to be kept (bound or loose) in a volume.

circum meridional altitude

Earth science; Mapping science

The angular elevation of a celestial object near the celestial meridian and observed to determine latitude.

astre fictif

Earth science; Mapping science

A fictitious star assumed to move along the celestial equator at a uniform rate corresponding to the frequency of one of the several harmonic constituents of the tide producing ...