precession+rate

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• Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …   Wikipedia

• Precession — For other uses, see Precession (disambiguation). Precession of a gyroscope Precession is a change in the orientation of the rotation axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second… …   Wikipedia

• Precession — Pre*ces sion, n. [L. praecedere, praecessum, to go before: cf. F. pr[ e]cession. See {Precede}.] The act of going before, or forward. [1913 Webster] {Lunisolar precession}. (Astron.) See under {Lunisolar}. {Planetary precession}, that part of the …   The Collaborative International Dictionary of English

• Precession of the equinoxes — Precession Pre*ces sion, n. [L. praecedere, praecessum, to go before: cf. F. pr[ e]cession. See {Precede}.] The act of going before, or forward. [1913 Webster] {Lunisolar precession}. (Astron.) See under {Lunisolar}. {Planetary precession}, that… …   The Collaborative International Dictionary of English

• Precession (mechanical) — Precession is the name given to the process of one part rotating with respect to another due to fretting between the two. It is described as precession, in which a round object rolling in a circular ring in one direction will itself turn in the… …   Wikipedia

• Rate integrating gyroscope — A Rate integrating gyroscope is a rate gyro with a built in integrator. It is usually a component of an Inertial Measurement Unit or a stabilization system.Principle of operationIn a rate indicating gyroscope, the gyroscope is turned at a steady… …   Wikipedia

• precession of the equinoxes — The slow westward motion of equinoctial points (the first point of Aries and the first point of Libra) along the ecliptic by about 50.26” of are each year. A full cycle of precession occupies about 25,800 years. The term is used in… …   Aviation dictionary

• Nodal precession — is the precession of an orbital plane around the rotation axis of an astronomical body such as the Earth. This precession is due to the non spherical nature of a spinning body which creates a non spherical gravitational field. Around a spherical… …   Wikipedia

• Lunisolar precession — Precession Pre*ces sion, n. [L. praecedere, praecessum, to go before: cf. F. pr[ e]cession. See {Precede}.] The act of going before, or forward. [1913 Webster] {Lunisolar precession}. (Astron.) See under {Lunisolar}. {Planetary precession}, that… …   The Collaborative International Dictionary of English

• Planetary precession — Precession Pre*ces sion, n. [L. praecedere, praecessum, to go before: cf. F. pr[ e]cession. See {Precede}.] The act of going before, or forward. [1913 Webster] {Lunisolar precession}. (Astron.) See under {Lunisolar}. {Planetary precession}, that… …   The Collaborative International Dictionary of English

• Apsidal precession — This article is about rotation of the orbit of a celestial body. For precession of the rotational axis, see precession of the equator. For change in orbital inclination, see precession of the ecliptic. In celestial mechanics, perihelion… …   Wikipedia