20 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
orange soil
Astronomy; Planetary science
On the Moon, a mixture of very small dark orange and black glass balls which formed from quickly cooled lava droplets during a pyroclastic eruption.
latitude
Astronomy; Planetary science
The angular distance North or South from the Earth's equator measured in degrees on the meridian of a point; Equator being 0° and the poles 90° N and 90° S.
r-process
Astronomy; Planetary science
The buildup of heavy isotopes inside massive stars by the rapid (hence the use of "r") absorption of neutrons by atomic nuclei. See also s-process and supernova.
inclination
Astronomy; Planetary science
Angle between the plane of the object's orbit and the ecliptic (defined by Earth's orbit).
