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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

short-period

Astronomy; Planetary science

In astronomy, a comet with an orbital period less than 200 years.

maria

Astronomy; Planetary science

Dark areas on the Moon covered by basalt lava flows.

metamorphic

Astronomy; Planetary science

Rocks that have recrystallized in a solid state as a result of changes in temperature, pressure, and chemical environment.

parent body

Astronomy; Planetary science

An object (e.g. Asteroid) from which meteorites come.

pyroxenite

Astronomy; Planetary science

An igneous rock composed largely of pyroxene.

chondrule

Astronomy; Planetary science

Roughly spherical objects found in a type of meteorite called chondrites. Most chondrules are 0. 5 to 2 millimeters in size and are composed of olivine and pyroxene, with smaller amounts of glass and ...

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).

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