Geology

Geology

The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.

Contributors in Geology

Geology

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

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 on Earth.

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.

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.