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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 > Geology

slumping

Earth science; Geology

A landslide that results from the downward sliding of rock debris as a single mass, usually with a backward rotation relative to the slope along which the movement takes place.

smooth plains

Earth science; Geology

The smooth plains seen on Mercury resemble lunar maria and are likewise, sparsely cratered, but may have formed from different processes than those on the Moon. Mercury's smooth ...

SNC meteorites

Earth science; Geology

General name for three groups of meteorites with relatively young ages (slightly over 1 billion years old) that probably came from Mars. The groups are the Shergottites, ...

solar energy

Earth science; Geology

Thermal energy generated by the fusion reaction of the Sun.

solar prominences

Earth science; Geology

The eruption of solar material beyond the disk of the Sun.

solid solution

Earth science; Geology

A single crystalline phase that may be varied in composition within finite limits without the appearance of an additional phase.

spectroscopy

Earth science; Geology

The use of an instrument that produces an array of visible light ordered according to its constituent wavelengths or colors.