7 Terms
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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
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.
