Precession is a change in the orientation of the rotational axis of a rotating body. In an appropriate reference frame it can be defined as a change in...
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In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis. In the absence...
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angle (angle of nutation) is constant Precession may refer to: Precession, one of the Euler rotations Precession (mechanical), the process of one part...
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In physics, Larmor precession (named after Joseph Larmor) is the precession of the magnetic moment of an object about an external magnetic field. The phenomenon...
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In celestial mechanics, orbital precession may refer to: Apsidal precession, where the major axis of an elliptical orbit cycles its orientation within...
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Lunar precession is a term used for three different precession motions related to the Moon. First, it can refer to change in orientation of the lunar rotational...
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Phase precession is a neurophysiological process in which the time of firing of action potentials by individual neurons occurs progressively earlier in...
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Zodiac (section Precession of the equinoxes)
2nd century BC, as well as into developing the Hindu zodiac. Due to the precession of the equinoxes, the time of year that the Sun is in a given constellation...
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In celestial mechanics, apsidal precession (or apsidal advance) is the precession (gradual rotation) of the line connecting the apsides (line of apsides)...
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Tests of general relativity (redirect from Perihelion precession of Mercury)
"anomalous" precession of the perihelion of Mercury, the bending of light in gravitational fields, and the gravitational redshift. The precession of Mercury...
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Milankovitch cycles (section Axial precession)
1920s, he hypothesized that variations in eccentricity, axial tilt, and precession combined to result in cyclical variations in the intra-annual and latitudinal...
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Pole star (section Precession of the equinoxes)
Kochab. The precession of the equinoxes takes about 25,770 years to complete a cycle. Polaris' mean position (taking account of precession and proper motion)...
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corrections to the Newtonian precession, of a gyroscope near a large mass such as the earth. They are: Thomas precession a special relativistic correction...
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In general relativity, Lense–Thirring precession or the Lense–Thirring effect (Austrian German: [ˈlɛnsə ˈtɪrɪŋ]; named after Josef Lense and Hans Thirring)...
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Nodal precession is the precession of the orbital plane of a satellite around the rotational axis of an astronomical body such as Earth. This precession is...
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Geodetic effect (redirect from De Sitter precession)
The geodetic effect (also known as geodetic precession, de Sitter precession or de Sitter effect) represents the effect of the curvature of spacetime,...
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North African climate cycles (section Precession)
parameters include the precession of the equinoxes, obliquity, and eccentricity as put forth by the Milankovitch theory. The precession of the equinoxes is...
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Frame-dragging (redirect from Schiff precession)
implement a dedicated mission aimed to measure the Lense–Thirring node precession of a pair of counter-orbiting spacecraft to be placed in terrestrial polar...
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In physics, the Thomas precession, named after Llewellyn Thomas, is a relativistic correction that applies to the spin of an elementary particle or the...
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Gyroscope (section Precession)
used to demonstrate the principle. A simple case of precession, also known as steady precession, can be described by the following relation to Moment:...
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Astrological age (category Precession)
the axial precession of the Earth and commonly referred to as precession of the equinoxes; secondly, that, due to the nature of the precession of the equinoxes...
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Proton magnetometer (redirect from Proton precession magnetometer)
A proton magnetometer, also known as a proton precession magnetometer (PPM), uses the principle of Earth's field nuclear magnetic resonance (EFNMR) to...
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two, for several reasons explained below. Because of the Earth's axial precession, this year is about 20 minutes shorter than the sidereal year. The mean...
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Precession electron diffraction (PED) is a specialized method to collect electron diffraction patterns in a transmission electron microscope (TEM). By...
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product of the Earth's slow precessional rotation and lasts for 2,160 years, on average (one 25,920-year period of precession, or Great Year, divided by...
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False precision (redirect from False precession)
False precision (also called overprecision, fake precision, misplaced precision and spurious precision) occurs when numerical data are presented in a manner...
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Wolfe, Joe, "A derivation of the precession of the Foucault pendulum". "The Foucault Pendulum", derivation of the precession in polar coordinates. "The Foucault...
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Precession is the process of a round part in a round hole, rotating with respect to each other, wherein the inner part begins rolling around the circumference...
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Steady-state free precession (SSFP) imaging is a magnetic resonance imaging (MRI) sequence which uses steady states of magnetizations. In general, SSFP...
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General relativity (section Precession of apsides)
Einstein's equations). Relativistic precession has been observed for all planets that allow for accurate precession measurements (Mercury, Venus, and Earth)...
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