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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.

Contributors in Planetary science

Planetary science

atmosphere

Astronomy; Planetary science

Mixture of gases that surround and are gravitationally attached to a planet.

sedimentary

Astronomy; Planetary science

Rock formed when sediment is compacted and lithified.

cosmic ray exposure age

Astronomy; Planetary science

The time interval that represents how long a surface of an airless body or a meter-sized or smaller asteroid traveled in space; based on measurements of accumulated radionuclides in the meteorite ...

carbon dioxide

Astronomy; Planetary science

A compound formed by combining one carbon atom with two oxygen atoms, making the molecule CO 2 . Carbon dioxide is an important part of the atmospheres of Venus and Mars. Carbon dioxide gas condenses ...

mineral

Astronomy; Planetary science

Naturally occurring inorganic solid with a definite chemical composition and crystal structure.

find

Astronomy; Planetary science

A meteorite that was not observed falling through the Earth's atmosphere, but was found at some later date.

pressure ridges

Astronomy; Planetary science

Long, narrow wavelike folds in the surface of lava flows; formed where lava may have buckled up against slower moving or stationary lava downstream.

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