英语词汇“precession of the equinoxes”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

2. One of the two points at which the sun's path crosses the Equator, described technically as the first points in Aries and Libra. Formerly also used loosely for the region of the ecliptic adjacent to these points. precession of the equinoxes (see precession n.²).

ΘΚΠ

the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > equinoctial point

equinoxc1400

equinoctial?a1475

principal point1591

spring point1599

spring equinox1601

c1400 ( G. Chaucer Treat. Astrolabe (Cambr. Dd.3.53) (1872) i. §17. 9 Ther-fore ben thise two signes [sc. Aries & Libra] called the equinoxiis [1560 equinoctes].

1594 T. Blundeville Exercises iii. i. xvi. f. 149 The beginning of Aries, which is called the vernal Equinoxe.

1625 N. Carpenter Geogr. Delineated i. v. 105 If..in any oblique Horizon, there should be an æquinoxe, it could no wise be in the middle time betwixt the two Solstices.

1715 tr. D. Gregory Elements Astron. I. iii. §17. 418 The true and imaginary Sun will be equally distant from both Equinoxes.

a. Astronomy. The slow retrograde motion of the equinoctial points along the ecliptic, resulting in the earlier occurrence of the equinoxes in each successive sidereal year, caused by the slow change of direction of the earth's axis of rotation, which describes an approximate circle around the pole of the ecliptic once in about 25,800 years (in full precession of the equinoxes). Hence: the motion of the earth or its axis of which the precession of the equinoxes is a manifestation.The phenomenon is due to the effect of the gravitational attraction of the sun, moon, and planets on the earth's equatorial bulge. The precession of the equinoxes was discovered by Hipparchus c125 b.c., when the vernal equinox was in the constellation Aries. As a result of precession, the longitudes, right ascensions, and declinations of the stars are continually changing, and the signs of the zodiac shift in a retrograde direction along the zodiac, so that they no longer coincide with the constellations from which they were named. The vernal equinox itself now falls in the constellation Pisces, although it is still held to be in the astrological sign of Aries.general, lunisolar, planetary precession: see the first element.

ΘΚΠ

the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > precession of equinoxes

precession1594

recession1682

retrogression1794

the world > the universe > planet > primary planet > earth > [noun] > movement of earth

precession1710

1594 T. Blundeville Exercises iii. i. xxvii. f. 160^v Spica Virginis..is found now to be in the 18. of Libra, the cause whereof is the precession of the Equinoctiall point or section.

1621 R. Burton Anat. Melancholy ii. ii. iii. 326 Whether there be such a Precession of the Æquinoxes, as Copernicus holds.

1646 S. Danforth Almanack 4 The annuall periods of the Sun agree not together, in regard of the unaequal praecession of the aequinoctiall.

1710 Streete's Astronomia Carolina (ed. 2) 44 The motion is. 6°.35′. and the Annual Præcession 48″.46‴.

1760 J. Welsh School-master's Gen. Assistant I. xxvii. 109 A sidereal Year is 365 Days, 5 Hours, 9 Minutes, 14 Seconds; the Precession of the Equinoxes is 50 Seconds of the Ecliptic annually.

1881 Nature 17 Feb. 359/1 The alternate phases of precession, which tend to bring warmer and colder conditions of climate every 10,500 years.

1939 W. T. Skilling & R. S. Richardson Astron. i. 16 Precession does not affect the position of the terrestrial poles upon the earth's surface.

1963 D. Alter et al. Pict. Astron. (ed. 2) xlvi. 211/2 This gradual north–south drift of the Southern Cross is a consequence of the precession of the earth.

1995 C. Sagan Demon-haunted World xvi. 303 Many valid criticisms of astrology can be formulated..: for example, its acceptance of precession of the equinoxes in announcing an ‘Age of Aquarius’ and its rejection of precession of the equinoxes in casting horoscopes.

2002 Geophysics in UK 19/2 The effects of precession and other variations in the Earth's orbit..have long been recognized as Milankovitch cycles in such palaeoclimate data as the tree-ring record.

单词	precession of the equinoxes
释义	> as lemmas precession of the equinoxes 2. One of the two points at which the sun's path crosses the Equator, described technically as the first points in Aries and Libra. Formerly also used loosely for the region of the ecliptic adjacent to these points. precession of the equinoxes (see precession n.²). ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > equinoctial point equinoxc1400 equinoctial?a1475 principal point1591 spring point1599 spring equinox1601 c1400 ( G. Chaucer Treat. Astrolabe (Cambr. Dd.3.53) (1872) i. §17. 9 Ther-fore ben thise two signes [sc. Aries & Libra] called the equinoxiis [1560 equinoctes]. 1594 T. Blundeville Exercises iii. i. xvi. f. 149 The beginning of Aries, which is called the vernal Equinoxe. 1625 N. Carpenter Geogr. Delineated i. v. 105 If..in any oblique Horizon, there should be an æquinoxe, it could no wise be in the middle time betwixt the two Solstices. 1715 tr. D. Gregory Elements Astron. I. iii. §17. 418 The true and imaginary Sun will be equally distant from both Equinoxes. extracted from equinoxn. precession of the equinoxes a. Astronomy. The slow retrograde motion of the equinoctial points along the ecliptic, resulting in the earlier occurrence of the equinoxes in each successive sidereal year, caused by the slow change of direction of the earth's axis of rotation, which describes an approximate circle around the pole of the ecliptic once in about 25,800 years (in full precession of the equinoxes). Hence: the motion of the earth or its axis of which the precession of the equinoxes is a manifestation.The phenomenon is due to the effect of the gravitational attraction of the sun, moon, and planets on the earth's equatorial bulge. The precession of the equinoxes was discovered by Hipparchus c125 b.c., when the vernal equinox was in the constellation Aries. As a result of precession, the longitudes, right ascensions, and declinations of the stars are continually changing, and the signs of the zodiac shift in a retrograde direction along the zodiac, so that they no longer coincide with the constellations from which they were named. The vernal equinox itself now falls in the constellation Pisces, although it is still held to be in the astrological sign of Aries.general, lunisolar, planetary precession: see the first element. ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > cardinal points > precession of equinoxes precession1594 recession1682 retrogression1794 the world > the universe > planet > primary planet > earth > [noun] > movement of earth precession1710 1594 T. Blundeville Exercises iii. i. xxvii. f. 160^v Spica Virginis..is found now to be in the 18. of Libra, the cause whereof is the precession of the Equinoctiall point or section. 1621 R. Burton Anat. Melancholy ii. ii. iii. 326 Whether there be such a Precession of the Æquinoxes, as Copernicus holds. 1646 S. Danforth Almanack 4 The annuall periods of the Sun agree not together, in regard of the unaequal praecession of the aequinoctiall. 1710 Streete's Astronomia Carolina (ed. 2) 44 The motion is. 6°.35′. and the Annual Præcession 48″.46‴. 1760 J. Welsh School-master's Gen. Assistant I. xxvii. 109 A sidereal Year is 365 Days, 5 Hours, 9 Minutes, 14 Seconds; the Precession of the Equinoxes is 50 Seconds of the Ecliptic annually. 1881 Nature 17 Feb. 359/1 The alternate phases of precession, which tend to bring warmer and colder conditions of climate every 10,500 years. 1939 W. T. Skilling & R. S. Richardson Astron. i. 16 Precession does not affect the position of the terrestrial poles upon the earth's surface. 1963 D. Alter et al. Pict. Astron. (ed. 2) xlvi. 211/2 This gradual north–south drift of the Southern Cross is a consequence of the precession of the earth. 1995 C. Sagan Demon-haunted World xvi. 303 Many valid criticisms of astrology can be formulated..: for example, its acceptance of precession of the equinoxes in announcing an ‘Age of Aquarius’ and its rejection of precession of the equinoxes in casting horoscopes. 2002 Geophysics in UK 19/2 The effects of precession and other variations in the Earth's orbit..have long been recognized as Milankovitch cycles in such palaeoclimate data as the tree-ring record. extracted from precessionn.² < as lemmas
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> as lemmas