5 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
Add a new termContributors in Planetary science
Planetary science
stratigraphy
Astronomy; Planetary science
Study of layered rock to understand the sequence of geological events. Normally, older layers are on the bottom unless the sequence has been overturned or disrupted.
meteorite
Astronomy; Planetary science
A natural solid object (metallic or stony/silicate) larger than 10 µm (microns) that has traveled through space, by natural means from the celestial body on which it formed, and has landed on Earth ...
landslide
Astronomy; Planetary science
General term to describe the process of mass movement (or avalanche) of material downslope by falling, sliding, or flowing, under the force of gravity. It also describes the landform (pile of debris) ...
nitrogen
Astronomy; Planetary science
An element with atomic number 7; symbol: N. It is common in Earth's atmosphere and along with hydrogen, carbon, and oxygen is essential for life.
nautical twilight
Astronomy; Planetary science
The time when the Sun is 6-12 degrees below the horizon. Sky begins to get noticeably bright.
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.
