English to Welsh Meaning :: precession

Precession :
- precession

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Noun(1) the motion of a spinning body (as a top(2) the act of preceding in time or order or rank (as in a ceremony

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(1) As the tailwheel lifts during the takeoff run, gyroscopic precession tries to turn the plane left of centerline.(2) Einstein's theory predicts that such gyroscopes will undergo geodetic precession merely because space-time is curved in the planet's vicinity.(3) The binary's orbital precession , for example, is quite vigorous.(4) Even Newtonian physics was unable to give a complete explanation of its orbit: the direction of the axis was found to move by rather more than could be explained by precession and the gravitational attraction of the other planets.(5) Of course, the anomalous precession of Mercury was already known, and general relativity could explain it.(6) Due to the precessional movements of both planets the alignment does not repeat precisely.(7) Ptolemy understood that the rotation axis of the earth was slowly precessing , or moving in a circle, with an angular radius of 23 1/2 degrees with a period of around 26,000 years.(8) So we are likely to see precessional magnetic switching used for phones and cameras in the near future.(9) The rate of change in the direction of the rotational axis is the ratio of torque to angular momentum and so gives a value for the precessional constant.(10) In earlier talks I have argued that these cataclysmic floods were, in reality, massive changes in sea level brought about by polar instability, or by precessional wobble in the Earth's mode of spin.(11) On a geostationary satellite at a height of 36 000 km, the effect is 2 km, and the axis of eccentricity precesses around Earth following the Moon's 28-day journey.(12) Classical mechanics, in contrast, predicted that the atomic magnets would precess in the field but remain randomly oriented, so the deflections would only broaden (but not split) the beam.(13) If we take a single spin 1/2 particle, and put it in a magnetic field, the spin precesses .(14) That is, if some of the Earth's energy were to be diverted into a slightly larger precessional wobble, the rate of spin should slow down slightly as a consequence.(15) Over just a few months they could actually detect the orbit of the binary system precessing , slowly dragging around.
Related Words
1. precedence ::
2. precedency ::
English to Welsh Dictionary: precession

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