Surface Gravity

   The weight of an object on the surface of a planet, moon or other object.

The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.

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  • Surface gravity — The surface gravity, g , of an astronomical or other object is the gravitational acceleration experienced at its surface. The surface gravity may be thought of as the acceleration due to gravity experienced by a hypothetical test particle which… …   Wikipedia

  • surface gravity — noun : intensity of the force of gravity at the surface of the earth or a celestial body …   Useful english dictionary

  • List of Solar System objects by surface gravity — Below is a list of Solar System objects by surface gravity.Basis of calculationsThe surface gravity at the equator of a body can in most cases be accurately calculated using Newton s law of universal gravitation and centrifugal force. The… …   Wikipedia

  • Gravity darkening — Gravity darkening, also referred to as Gravity Brightening, is an astronomical phenomenon where a star rotates so rapidly that it has a detectibly oblate shape, such as in Regulus in the Leo constellation.When a star is oblate, it has a larger… …   Wikipedia

  • Gravity wave — In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two media (e.g. the atmosphere or ocean) which has the restoring force of gravity or buoyancy.When a fluid parcel is displaced on an interface or… …   Wikipedia

  • Surface irrigation — is defined as the group of application techniques where water is applied and distributed over the soil surface by gravity. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually… …   Wikipedia

  • Gravity separation — is an industrial method of separating two components from a suspension or any other homogeneous mixture where separating the components with gravity is sufficiently practical. All of the gravitational methods are common in the sense that they all …   Wikipedia

  • gravity waves — plural noun 1. Liquid surface waves controlled by gravity and not by surface tension 2. Hypothetical progressive energy carrying waves whose existence was postulated by Einstein in 1916 • • • Main Entry: ↑gravity …   Useful english dictionary

  • Gravity turn — A gravity turn or zero lift turn is a maneuver (see trajectory optimization) used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a moon. This launch trajectory offers two main advantages… …   Wikipedia

  • Gravity knife — A gravity knife is a knife which opens by the forces of inertia or gravity.cite book | last = Langston | first = Richard | title = Collector s Guide to Switchblade Knives: An Illustrated Historical and Price Reference | publisher = Paladin Press… …   Wikipedia

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