Concept information
Preferred term
Surface gravity
Definition
- The rate at which a small object in free fall near the surface of a body is accelerated by the gravitational force of the body: g = GM / R^2, where G is the gravitational constant, and M and R are the mass and radius of the object. The surface gravity of Earth is equal to 980 cm s^-2. (en)
Broader concept
- Planetary science (en)
Entry terms
- Acceleration of gravity (en)
Editorial note
URI
http://astrothesaurus.org/uat/1669
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