Planetary science

Planetary science

The scientific study of planets including Earth, moons, and planetary systems of the Solar System in particular and the processes that form them.

Industry: Astronomy

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Planetary science

Two or more varieties of the same chemical element. Isotopes have different masses because they have different numbers of neutrons (for example 18 O and 16 O), thus they have different physical and ...

Differentiation

Astronomy; Planetary science

Chemical zonation caused by differences in the densities of minerals; heavy materials sink, less dense materials float. Differentiation transforms an initially homogeneous body into a body with ...

Magnetosphere

Astronomy; Planetary science

The region around Earth dominated by Earth's magnetic field. In this region, the Earth's magnetic field lines guide the motions of charged particles (ions and electrons).

Volcano

Astronomy; Planetary science

Mountain formed from the eruption of igneous matter through a source vent.

Ilmenite

Astronomy; Planetary science

Opaque mineral found in basalt; nearly pure iron-titanium oxide (FeTiO 3 . )

Eucrite

Astronomy; Planetary science

A common class of achondrite meteorites composed of pigeonite and plagioclase. These meteorites formed as basaltic flows on a parent body, probably asteroid 4 Vesta.

National aeronautics and space administration (nasa)

Astronomy; Planetary science

United States federal agency. "NASA is an investment in America's future. As explorers, pioneers, and innovators, we boldly expand frontiers in air and space to inspire and serve America and to ...