point of gravity

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• Gravity At Last — Album par Ayọ Sortie 29 septembre 2008 Enregistrement Mars 2008 Compass Point Studios (Nassau …   Wikipédia en Français

• Gravity Pipe — Gravity Pipe, otherwise known as GRAPE, is a project which uses hardware acceleration to perform gravitational computations. Integrated with Beowulf style commodity computers, the GRAPE system calculates the force of gravity that a given mass,… …   Wikipedia

• Gravity at Last — Album par Ayọ Sortie 29 septembre 2008 Enregistrement Mars 2008 Compass Point Studios (Nassau …   Wikipédia en Français

• point blank — 1570s, from POINT (Cf. point) (v.) + BLANK (Cf. blank) (n.), the white center of a target. The notion is of standing close enough to aim (point) at the blank without allowance for curve, windage, or gravity …   Etymology dictionary

• Gravity gun — can refer to various fictional devices: * Zero Point Energy Field Manipulator, a weapon in the computer game Half Life 2 * Gravitational Beam Emitter, a fictional gun used by Killy in the manga series Blame! and NOiSE * Occasionally used to mean… …   Wikipedia

• 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, centre of — Imaginary point where the total weight of a material body may be thought to be concentrated. Since weight and mass are proportional, the same point may also be called the centre of mass, but the centre of mass does not require a gravitational… …   Universalium

• 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

• Gravity assist — In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist or swing by is the use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft, typically in… …   Wikipedia

• Gravity anomaly — A gravity anomaly is the difference between the observed gravity and a value predicted from a model. Geodesy and geophysicsIn geodesy and geophysics, the usual model is the surface of a global spheroid (ellipsoid of Hayford or WGS84) by rather… …   Wikipedia

• Gravity train — [ free falls through a section of the planet to arrive at a destination on the other side.] A gravity train is a theoretical means of transportation intended to go between two points on the surface of a sphere, following a straight tunnel that… …   Wikipedia