precession of the equinoxes

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precession of the equinoxes

A slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each sidereal year. The precession of the equinoxes occurs at a rate of 50.27 seconds of arc a year; a complete precession requires 25,800 years.

precession of the equinoxes

(Astronomy) the slightly earlier occurrence of the equinoxes each year due to the slow continuous westward shift of the equinoctial points along the ecliptic by 50 seconds of arc per year. It is caused by the precession of the earth's axis around the ecliptic pole, with a period of 25 800 years

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Noun

precession of the equinoxes - a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation

natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"

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Annual variation astronomy earth ecliptic coordinate system equinox great year Hipparchus Lunisolar precession nutation Planetary precession Platonic year precession Precessional Tropic year zodiac zodiacal	These cycles are attributed to perturbations of the sun's orbit by the moon that cause the precession of the equinoxes and by other small effects due to the planets and are confirmed by world-wide measurements of glaciers, coral reefs, peat bogs, and polar ice caps. On climate change by Hodgson, P.E. / Modern Age Evidently hoping to prove astrologers are know-nothings, Dawkins' interview started with a lengthy grilling about astronomy - the precession of the equinoxes, sidereal and tropical zodiacs, Kuiper Belt objects. The Dawkins delusion: science good, the rest bad by guardian.co.uk / guardian.co.uk Astrology begins to recede from the center of intellectual life by the late seventeenth century, perhaps not only because of the accumulation of scientific evidence, which had already begun (as Hubner reminds us) with the ancient astronomers' observation of the precession of the equinoxes, but more particularly because of the emergence of a scientific method whereby astrological hypotheses could no longer appear to constitute true knowledge. Zukunftsvoraussagen in der Renaissance by Dooley, Brendan / Renaissance Quarterly	precedent precedented precedentedly precedential Precedently preceding Precel Precellence Precellent precensor precentor Precentorship precentral gyrus precept Preceptial Preception preceptive preceptor Preceptorial preceptorship preceptory Preceptress preceramic precess precession precession of the equinoxes Precessional Precessor prechlorination Precieuse precinct precincts preciosity precious precious coral precious metal Precious metals precious stone Precious stones Preciously Preciousness Precipe precipice Precipient Precipitability precipitable precipitance precipitancy precipitant Precipitantly Precipitantness	Precepts Precepts precepts on securities preceramic precertification Preces Preces Preces and responses precess precess precess precessed precessed precessed precesses precesses precesses precessing precessing precessing Precessing Jet precession precession precession Precession (astronomy) Precession (astronomy) precession camera precession in declination precession in right ascension precession of nodes precession of the equinoxes precessional precessional precessional precessional torque Precessor Precettato Prechambered Explosive precharge Precharged Pneumatic prechiasmal anisocoria prechiasmal anisocoria Prechistoe prechlorination prechlorination prechordal PRECHUR Precieuse Precieuse precinct precinct precinct precinct Precinct Committee Person Precinct Count Optical Scan Precinct-Based Optical Scanner precinctio precincts precincts precincts Precio Al Por Menor Regular

These cycles are attributed to perturbations of the sun's orbit by the moon that cause the precession of the equinoxes and by other small effects due to the planets and are confirmed by world-wide measurements of glaciers, coral reefs, peat bogs, and polar ice caps.

On climate change by Hodgson, P.E. / Modern Age

Evidently hoping to prove astrologers are know-nothings, Dawkins' interview started with a lengthy grilling about astronomy - the precession of the equinoxes, sidereal and tropical zodiacs, Kuiper Belt objects.

The Dawkins delusion: science good, the rest bad by guardian.co.uk / guardian.co.uk

Astrology begins to recede from the center of intellectual life by the late seventeenth century, perhaps not only because of the accumulation of scientific evidence, which had already begun (as Hubner reminds us) with the ancient astronomers' observation of the precession of the equinoxes, but more particularly because of the emergence of a scientific method whereby astrological hypotheses could no longer appear to constitute true knowledge.

Zukunftsvoraussagen in der Renaissance by Dooley, Brendan / Renaissance Quarterly

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