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 > Geology

yardangs

Earth science; Geology

A long, irregular, sharp-crested, undercut ridge between two round-bottomed troughs, carved on a plateau or sheltered plain in a desert region by wind erosion, and consisting of ...

zones

Earth science; Geology

Thick rotating clouds swirl around the planet Jupiter, blowing in opposite directions in adjacent bands. The lighter colored bands are called zones.

Galileo spacecraft

Earth science; Geology

The Galileo mission consists of two spacecraft: an orbiter and an atmospheric probe. The probe descended through the cloud layers of Jupiter and relayed information about the ...

gaspra

Earth science; Geology

An "S-type", main belt asteroid of silicaceous chemical composition. 951 Gaspra, photographed by the Galileo spacecraft in 1991, is a generally gray, irregular object measuring 18 ...

geologic history of Mars

Earth science; Geology

The early geologic history of Mars is believed to be similar to that of Mercury and the Moon, however volcanism persisted well into the last half of solar system history and may ...

geologic history of Mercury

Earth science; Geology

1. Initial planetary material coalesced form the solar nebula. 2. Heating from accretion of planetesimals and other space debris. 3. Planetary differentiation into layers of ...