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

autoregression

Earth science; Mapping science

A relationship connecting the members of a time series in such a manner that the value at one instant is expressible in terms of the values at previous instances, plus a random ...

normal axis

Earth science; Mapping science

An axis perpendicular to the longitudinal axis and generally in the plane of symmetry of the craft. It is oriented downwards or as defined by the constructor of the craft.

obtuse angle

Earth science; Mapping science

(1) An angle (f) whose measure is greater than one right angle (90°, Π/2 radians, or 100 gons). (2) An angle whose measure is greater than one right angle but less than two ...

vertical axis

Earth science; Mapping science

The line about which the telescope or alidade of an instrument rotates when moved horizontally. For an instrument in perfect adjustment and properly leveled, this axis is ...

base direction

Earth science; Mapping science

The direction of the vertical plane containing the air base. It may be expressed as an azimuth or as a bearing.

astrophysics

Earth science; Mapping science

The part of astronomy which is concerned with the physical structure of celestial bodies their temperatures, radiation, composition, and so on. The part of astronomy which is ...