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

neutron

Earth science; Geology

The massive nuclear particle with no charge.

northern plains

Earth science; Geology

The northern hemisphere on Mars where volcanic flows surround the largest volcanoes, but elsewhere the plains are featureless except for craters and mare-like ridges.

nucleosynthesis

Earth science; Geology

The creation of new elements in nuclear reactions (Kuhn, 1998).

atomic nucleus

Earth science; Geology

The central, massive part of an atom consisting of protons and neutrons.

comet nucleus

Earth science; Geology

The frozen core of a comet which contains almost the entire cometary mass and is located in the comet's head.

oceanic crust

Earth science; Geology

The oceanic crust underlies the ocean basins and is equivalent to the sima. The oceanic crust is about 5 to 10 km thick, has a density of 3.0 g/cm 3 , and compressional seismic ...