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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

convection

Earth science; Geology

Heat transport by moving particles, and the thermal energy that they carry, to a new location. compare conduction , radiation .

core of the Earth

Earth science; Geology

The central part of the Earth, beginning at a depth of about 2900 km, probably consisting of iron-nickel alloy; it is divisible into a solid inner and liquid outer core.

core of the Sun

Earth science; Geology

Site of nuclear fusion where hydrogen is fused into helium and thermonuclear energy is released. The core temperature of the Sun is approximately 1.5 x 10 7 K.

Crater Mead

Earth science; Geology

Mead crater, with a diameter of 280 kilometers (174 miles), is the largest impact crater on Venus. The inner ring is thought to represent the original rim of the crater cavity, ...

craters with streaks

Earth science; Geology

Ray craters with a distinctive radial pattern of fresh ejecta.

crustal upwarps

Earth science; Geology

Large areas of the Martian surface which stand high in topographic relief due to the expansion of the crust resulting from the presence of an underlying mantle plume or hot spot.

danu mountains

Earth science; Geology

A mountain range situated south of Lakshmi Planum, which shows intense deformation (faulting and folding) of the planet's crust, similar to deformed rocks seen in mountain belts ...