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inertial-celestial system

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  • Inertial space — In physics, the expression inertial space refers to the background reference that is provided by the phenomenon of inertia.Inertia is opposition to change of velocity, that is: change of velocity with respect to the background, the background… …   Wikipedia

  • Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… …   Wikipedia

  • celestial guidance — noun a method of controlling the flight of a missile or spacecraft by reference to the positions of celestial bodies • Hypernyms: ↑steering, ↑guidance, ↑direction * * * a guidance system for an aeronautical or space vehicle by which an automatic… …   Useful english dictionary

  • inertial guidance — noun a method of controlling the flight of a missile by devices that respond to inertial forces • Syn: ↑inertial navigation • Hypernyms: ↑steering, ↑guidance, ↑direction * * * noun or …   Useful english dictionary

  • celestial guidance — a guidance system for an aeronautical or space vehicle by which an automatic device in the vehicle takes periodic fixes on celestial bodies to determine the vehicle s position and to guide it along a particular flight path. Also called astro… …   Universalium

  • inertial guidance — Navig. a guidance system for an aerospace vehicle, in which self contained devices determine the vehicle s course on the basis of the directions and magnitudes of the accelerations it undergoes in flight. Also called inertial navigation. Cf.… …   Universalium

  • rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

  • Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …   Wikipedia

  • International Celestial Reference Frame — The International Celestial Reference Frame (ICRF) is a quasi inertial reference frame centered at the barycenter of the Solar System, defined by the measured positions of 212 extragalactic sources (mainly quasars). Although relativity implies… …   Wikipedia

  • Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …   Wikipedia

  • mechanics — /meuh kan iks/, n. 1. (used with a sing. v.) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics. 2. (used with a sing. v.) the theoretical and practical application …   Universalium

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