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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

horizontal angle

Earth science; Mapping science

An angle between two directed lines in a horizontal plane. Equivalently, the dihedral angle between two planes intersecting in a vertical line. The angles measured on the ...

relativistic aberration

Earth science; Mapping science

The tendency of a beam of charged particles moving at relativistic speeds to stay narrow and not spread. As the speed of the particles increases, the electrostatic field ...

ascendant

Earth science; Mapping science

A vector representing the rate of increase of a quantity.

simultaneous altitudes

Earth science; Mapping science

The angular elevations of two or more celestial bodies measured at the same time.

allodium

Earth science; Mapping science

Land owned absolutely, without obligation to one with superior rights.

alerts

Earth science; Mapping science

A list giving, for specific satellites and for a particular location or locations, the Universal Times at which these satellites will rise or set, the satellites' greatest angles ...

mercurial barometer

Earth science; Mapping science

A barometer in which atmospheric pressure is balanced against the weight of a column of mercury. There are two types of mercurial barometer, differing in the form of apparatus ...