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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

Inclination

Astronomy; Planetary science

Angle between the plane of the object's orbit and the ecliptic (defined by Earth's orbit).

Vent

Astronomy; Planetary science

An opening in the Earth's surface (or other planet or moon) through which lava, gases, and hot particles come out.

Fusion crust

Astronomy; Planetary science

The glassy, melted rind on a meteorite that forms when the rock passes through the Earth's atmosphere.

Thrust fault

Astronomy; Planetary science

Low-angle fault in which rock above the fault plane moves up in relation to rock below.

Nautical twilight

Astronomy; Planetary science

The time when the Sun is 6-12 degrees below the horizon. Sky begins to get noticeably bright.

Megaregolith

Astronomy; Planetary science

Term coined by William K. Hartmann in 1973 to describe the lunar-wide zone of fragmented material developed on the Moon by mixing of impact basin/crater ejecta (transported by ballistic trajectories) ...

Solar nebula

Astronomy; Planetary science

The immense cloud of gas and particles of floating cosmic dust from which our Solar System (Sun and planets) condensed 4. 6 billion years ago.

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