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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

right bank

Earth science; Mapping science

That bank of a stream or river which is to the right of the observer when he is facing downstream.

airline distance

Earth science; Mapping science

The distance, along a great circle, between points on a sphere taken as equivalent to the figure of the Earth.

aircraft altimetry

Earth science; Mapping science

Determining elevations from measurements made with an airborne altimeter.

dead reckoning abstract

Earth science; Mapping science

A list of all courses and distances made good, together with all data to be used in plotting and adjusting the line obtained by dead reckoning.

mensual aberration

Earth science; Mapping science

A component of stellar aberration caused by the revolution of the Earth and Moon about their common center of mass. It is approximately equal to 0". 011 cos H M , where H M is ...

contact slide base line apparatus

Earth science; Mapping science

A modified contact base line apparatus consisting of two steel measuring bars (rods), each 4 meters in length, so mounted that contact was effected by making lines on a rod and a ...

aqua

Earth science; Mapping science

(1) Water. (2) In the civil and old English law, sometimes, a stream or water-course. (3) In Roman antiquity, a site of a mineral spring, usually in the plural, as Aquae ...