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

Person specializing in the scientific studies of meteorites. They work at universities, government laboratories (such as at NASA Centers), or associated with important meteorite collections (such as ...

troctolite

Astronomy; Planetary science

Igneous rock, found in the lunar highlands, composed of plagioclase and olivine.

vesicle

Astronomy; Planetary science

Bubble-shaped cavity in a volcanic rock formed by expanding gases.

half-life

Astronomy; Planetary science

The amount of time required for half of the mass of a radioactive isotope to decay.

argument of perihelion

Astronomy; Planetary science

Angle along the orbit of a planet or other Solar System object as measured from the ascending node (analogous to right ascension and longitude).

pallasite

Astronomy; Planetary science

A stony-iron meteorite that is a mixture of isolated silicate crystals (usually olivine) surrounded by metal.

sediment

Astronomy; Planetary science

Solid rock or mineral fragments transported and deposited by wind, water, gravity, or ice; precipitated by chemical reactions; or secreted by organisms; accumulated as layers in loose, unconsolidated ...