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

numerical aperture

Earth science; Mapping science

The product NA of the refractive index N of the medium in image space by the sine A of the half angle of the cone of illumination there. In microscopic optics, this definition ...

adjacent

Earth science; Mapping science

(1) Lying near or close to. (2) Contiguous with; touching. Adjacent, as used in land surveying, has the first meaning and implies that the two objects or parcels of land are ...

backside

Earth science; Mapping science

In English law, a yard at the back part of or behind a house and belonging thereto. The term was formerly used in conveyances and also in pleading.

spherical aberration

Earth science; Mapping science

The focusing of rays from a point source on the optical axis into points whose distance from the focal plane varies as the angle at which the rays entered the optical system, with ...

arc correction

Earth science; Mapping science

The quantity added to the period of a pendulum to account for the pendulum's departure from simple harmonic motion. The correction can be kept small by limiting the amplitude of ...

alinement

Earth science; Mapping science

(1) Placing points along a straight line or in a common vertical plane. (2) Locating points with respect to a straight line or to a set of straight lines. The term should be ...