celestial path or orbit

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• Orbit of the Moon — Not to be confused with Lunar orbit in the sense of a selenocentric orbit, that is, an orbit around the Moon The Moon completes its orbit around the Earth in approximately 27.3 days (a sidereal month). The Earth and Moon orbit about their… …   Wikipedia

• Celestial mechanics — is the branch of astrophysics that deals with the motions of celestial objects. The field applies principles of physics, historically classical mechanics, to astronomical objects such as stars and planets to produce ephemeris data. Orbital… …   Wikipedia

• orbit — [ôr′bit] n. [MFr orbite < ML orbita < L, path, track < orbis, a circle, wheel] 1. the bony cavity containing the eye; eye socket 2. [L orbita] a) the actual or imaginary path taken by a celestial body during its periodic revolution… …   English World dictionary

• orbit — ► NOUN 1) the regularly repeated elliptical course of a celestial object or spacecraft around a star or planet. 2) a field of activity or influence. 3) the path of an electron round an atomic nucleus. 4) Anatomy the eye socket. ► VERB (orbited,… …   English terms dictionary

• celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… …   Universalium

• Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …   Wikipedia

• orbit — orbitary, adj. /awr bit/, n. 1. the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun. 2. the usual course of one s life or range of one s activities. 3. the sphere of power or …   Universalium

• celestial orbit — noun the (usually elliptical) path described by one celestial body in its revolution about another he plotted the orbit of the moon • Syn: ↑orbit • Derivationally related forms: ↑orbital (for: ↑orbit), ↑orbit ( …   Useful english dictionary

• Orbit equation — In astrodynamics an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time. Under standard assumptions, a body moving under the influence of a force, directed to a… …   Wikipedia

• orbit — Synonyms and related words: Earth insertion, LEM, LM, O, air lane, ambit, annular muscle, annulus, aphelion, apogee, area, arena, areola, astronomical longitude, attitude control rocket, aureole, autumnal equinox, bailiwick, ball, ballistic… …   Moby Thesaurus

• Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt …   Wikipedia