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Ecliptic   Listen
noun
ecliptic  n.  
1.
(Astron.) A great circle of the celestial sphere, making an angle with the equinoctial of about 23° 28´. It is the apparent path of the sun, or the real path of the earth as seen from the sun.
2.
(Geog.) A great circle drawn on a terrestrial globe, making an angle of 23° 28´ with the equator; used for illustrating and solving astronomical problems.






Collaborative International Dictionary of English 0.48








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"Ecliptic" Quotes from Famous Books



... cold of winter and produce a uniform temperature for each degree of latitude the year round. At present the earth's axis—that is, the line passing through its centre and the two poles—is inclined to the ecliptic about twenty-three and a half degrees. Our summer is produced by the northern hemisphere's leaning at that angle towards the sun, and our winter by its turning that much from it. In one case the sun's rays are caused to shine more perpendicularly, ...
— A Journey in Other Worlds - A Romance of the Future • John Jacob Astor

... prove our story, too," said Morey as he looked at the finished plates. "We might have gone only a little way into space, up from the plane of the ecliptic and taken plates through a wide angle camera. But we'd have had to go at least seven years into the past to get ...
— Islands of Space • John W Campbell

... distance of 23 deg. 30 min., and described by the sun when in his greatest declination north and south, or at the summer and winter solstices. That on the north side of the equinoctial is called the tropic of Cancer, because the sun describes it when in that sign of the ecliptic; and that on the south side is, for a similar reason, called the tropic of Capricorn. Again, at the distance of 231/2 degrees from the poles are two other parallels called the polar circles, either because they are near to the poles, or because, if we suppose the whole ...
— The Metamorphoses of Ovid - Vol. I, Books I-VII • Publius Ovidius Naso

... repudiated. They determined the circumference of the earth by a method identical with that which would be employed by modern astronomers; they ascertained the position of the stars by right ascension and declination; they knew the obliquity of the ecliptic, and determined the place of the sun's apogee as well as its mean motion. Their calculations on the eccentricity of the moon prove that they had a rectilinear trigonometry and tables of chords. They had an approximate knowledge of parallax; they could calculate ...
— Beacon Lights of History, Volume III • John Lord

... light in this planet, on account of its great distance from the sun, is supplied by six moons, which revolve round their primary in different periods. There is a remarkable peculiarity attached to their orbits, which are nearly perpendicular to the plane of the ecliptic, and they revolve in them in a direction contrary to the ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 10, Issue 262, July 7, 1827 • Various

... piercing of, Earls, See Counts Eastern Barbarians, Eastern metropolis, Eclipses, Ecliptic, Eden, garden of, Education, 89, Egret fights, Egyptian civilization, Elephants, Embassies, Japanese, Emperor, Emperor Above, or God, Emperor and Tartar marriages, Emperor's appanage, Emperor, collapse of, Emperor, early burial places, ...
— Ancient China Simplified • Edward Harper Parker

... Greeks and Jews taught in the schools, and a number of advances on the scientific work done by the Greeks were made. A degree of the earth's surface [3] was measured on the shores of the Red Sea; the obliquity of the ecliptic was determined (c. 830); astronomical tables were calculated; algebra and trigonometry were perfected; discoveries in chemistry not known in Europe until toward the end of the eighteenth century, and advances in physics for which western Europe waited for Newton (1642-1727), were ...
— THE HISTORY OF EDUCATION • ELLWOOD P. CUBBERLEY

... distant planets would be preferable to land on. Uranus, for instance, has an orbital velocity of four miles a second, and his gravity is about three-fourths that of the earth. Moreover, his axis lies almost exactly on the plane of the ecliptic, so that we could choose a waiting place on his orbit where the line of his axis lay in the direction of his motion, and simply descend on one of his poles, at which the stationary atmosphere would not whirl the car, and where we might also profit ...
— A Trip to Venus • John Munro

... was predicted in the build of that sky-confronting mind; for harmonic ratios, laws, and rhymes played in his spheral soul, galaxies and gravitations stretched deeper within, and systems climbed their flaming ecliptic. ...
— Atlantic Monthly, Vol. 5, No. 30, April, 1860 • Various

... the dial has been renewed—seeing that we can now ascertain from it, according to Mr. Ernest Law—though but few visitors are likely to seek to obtain all this information from it—"the hour, the month, the day of the month, the position of the sun in the ecliptic, the number of days since the beginning of the year, the phase of the moon, its age in days, the hour of the day at which it souths (that is crosses the meridian), and thence the time of highwater at London Bridge". It may be said that the clock needs ...
— Hampton Court • Walter Jerrold

... computed places with those which were observed, he justly inferred that the motions of comets were regulated by the same laws as those of the planetary bodies. This result was one of great importance; for as the comets enter our system in every possible direction, and at all angles with the ecliptic, and as a great part of their orbits extends far beyond the limits of the solar system, it demonstrated the existence of gravity in spaces far removed beyond the planet, and proved that the law of the inverse ratio of the squares of the distance was true in every possible direction, ...
— The Great Events by Famous Historians, Volume 12 • Editor-In-Chief Rossiter Johnson

... points a singular anticipation of subsequent discoveries. The sidereal world presented itself to him as a hierarchy of systems, starting from the planetary scheme, rising to throngs of suns within the circuit of the Milky Way—the "ecliptic of the stars," as he phrased it—expanding to include groups of many Milky Ways; these again combining to form the unit of a higher order of assemblage, and so onwards and upwards until the mind reels and sinks before the immensity ...
— A Popular History of Astronomy During the Nineteenth Century - Fourth Edition • Agnes M. (Agnes Mary) Clerke

... the Earth is stationary, but Philolaus the Pythagorean says that it revolves in a circle about the fire of the ecliptic, like the sun and moon. Heraklides of Pontus and Ekphantus the Pythagorean make the Earth move, not changing its position, however, confined in its falling and rising around its own center in the ...
— Prefaces and Prologues to Famous Books - with Introductions, Notes and Illustrations • Charles W. Eliot

... the season of Dante's journey, the sun in Aries is at the intersection of the ecliptic and the equator of the celestial sphere, and his apparent motion in his annual revolution cuts the apparent diurnal motion of the fixed stars, which is performed in circles parallel ...
— The Divine Comedy, Volume 3, Paradise [Paradiso] • Dante Alighieri

... that direction only, in order to reach every place, traversing dry countries or extensive seas, it ought then to render the sky serene or stormy. If the influence of the moon on the weather is denied, it is only that it may be referred to its phases, but its position in the ecliptic is regarded as affording probabilities much ...
— Lamarck, the Founder of Evolution - His Life and Work • Alpheus Spring Packard

... the movement which is commonly called the precession of the equinoxes, though it might more accurately be described as a kind of second rotation of the earth, the angle between the equator and the ecliptic steadily but very slowly varies. Thus, after long intervals of time we find the pole of the earth no longer pointing towards the same spot in the apparent sphere of the heavens, or in other words, ...
— Clairvoyance • Charles Webster Leadbeater

... Croll's theory of the increase of the eccentricity of the earth's orbit was widely received among them. Belt, on the other hand, held that the cold was due to an increase in the obliquity of the ecliptic. But these astronomical explanations have not met with much acceptance by physicists; and so chemists have been turned to by some geologists for support of the hypothesis of the variation in the amount of carbon ...
— The Naturalist in Nicaragua • Thomas Belt

... army was defined, and its successive stages marked by those twelve constellations which are still called the Signs of the Zodiac. In time even these observations were excelled, and it now appears certain that the Chaldaeans recognized the annual displacement of the equinoctial point upon the ecliptic, a discovery that is generally attributed to the Greek astronomers. But, like Hipparchus, they made faults of calculation in consequence of ...
— A History of Art in Chaldaea & Assyria, v. 1 • Georges Perrot

... the earth's revolution in its orbit, the sun appears at different seasons to rise in connection with different groups of stars. It seems as if the sun made an annual journey around the ecliptic. This circuit was divided into twelve parts corresponding to the months, and each marked by a distinct constellation. There was a singular agreement in regard to these solar houses, residences of the gods, or signs of the zodiac, ...
— The Destiny of the Soul - A Critical History of the Doctrine of a Future Life • William Rounseville Alger

... if a certain comet, whose path intersected the ecliptic, had met the earth in some (I forgot what) sign, it would have whirled us along with it, in its eccentric course, into God knows what regions of heat and cold. Had the portentous comet of the Rights of Man, (which "from its horrid hair ...
— The Works of the Right Honourable Edmund Burke, Vol. V. (of 12) • Edmund Burke

... King used to amuse him by mourning over the narrow escape that nature had made in attaining perfection. Except for two mistakes, the earth would have been a success. One of these errors was the inclination of the ecliptic; the other was the differentiation of the sexes, and the saddest thought about the last was that it should have been so modern. Adams, in his splenetic temper, held that both these unnecessary evils had wreaked their worst ...
— The Education of Henry Adams • Henry Adams

... girdle or belt in the celestial sphere, which extends about eight degrees on each side of the Ecliptic. It is divided into twelve portions, called the signs of the Zodiac, within which all the planets make their revolutions. The Zodiac is so called from the animals represented upon it, and is supposed to have originated in remote ages and in latitudes where the camel ...
— The Ruins • C. F. [Constantin Francois de] Volney

... Calhoun. "Weald Three is our port, Murgatroyd. The plane of the ecliptic would be ...
— This World Is Taboo • Murray Leinster

... centre of the floor, in locating the planets around it, I should place them upon the floor in the same plane. The first thing that occurred to Leverrier, in looking for the planet, was this,—he need not look out of the plane of the ecliptic. Here, then, was one quarter in which the unknown body was to be found. The next thing was this,—where is it located, and what is its distance from the sun? The law of Bode gave to him the approximate distance. He found the distance of Saturn ...
— American Scenes, and Christian Slavery - A Recent Tour of Four Thousand Miles in the United States • Ebenezer Davies

... hand, With sails unfurl'd for earth's remotest strand, Like children parting from a mother, shed Tears for the home that could not yield them bread; Grief mark'd each face receding from the view, 'Twas grief to nature honourably true. And long, poor wand'rers o'er th' ecliptic deep, The song that names but home shall bid you weep; Oft shall ye fold your flocks by stars above In that far world, and miss the stars ye love; Oft, when its tuneless birds scream round forlorn, Regret the lark that gladdens England's morn. And, giving England's names to distant scenes, ...
— The Mirror of Literature, Amusement, and Instruction, No. 388 - Vol. 14, No. 388, Saturday, September 5, 1829. • Various

... how the rising of the land of Northern Canada and adjacent territory, which almost certainly took place, "all a sequel to the majestic uplift of the Tertiary, would have made a glacial period for North America, whatever the position of the ecliptic, or whatever the eccentricity of the earth's orbit, though more readily, of course, if other ...
— The Prehistoric World - Vanished Races • E. A. Allen

... would whirl me round and round the Earth at the rate of a thousand miles an hour; of this I must, of course, get rid as soon as possible. And when I should be rid of it, I meant to start at first right upward; that is, straight away from the Sun and in the plane of the ecliptic, which is not very different from that in which Mars also moves. Therefore I should begin my effective ascent from a point of the Earth as far as possible from the Sun; that is, on the ...
— Across the Zodiac • Percy Greg

... crosses the meridian must be taken for the special observation now to be described. This hour can always be learnt from 'Dietrichsen's Almanac'; but noon, civil time, is near enough for practical purposes. Now it is necessary first to know the position of the ecliptic with reference to the celestial equator. Of course, at noon a horizontal line across the sun's disc is parallel to the equator, but the position of that diameter of the sun which coincides with the ecliptic is not constant: at the summer ...
— Half-hours with the Telescope - Being a Popular Guide to the Use of the Telescope as a - Means of Amusement and Instruction. • Richard A. Proctor

... Indeed, the direction I had hitherto taken, had filled me with uneasiness; for it was evident that, had I continued it much longer, there would have been no possibility of my arriving at the moon at all, whose orbit is inclined to the ecliptic at only the small angle of 5 ...
— The Works of Edgar Allan Poe - Volume 1 (of 5) of the Raven Edition • Edgar Allan Poe

... celestial sphere. As a matter of fact, you know that the earth moves around the sun, but as you observe the sun from some spot on the earth, it appears to move around the earth. This apparent track is called the Ecliptic as stated before, and in the illustration the Ecliptic is represented by the curved line, C V T. The plane of the Ecliptic is inclined to that of the Equinoctial at an angle of 23 deg. 27-1/2', and this inclination is called the obliquity of ...
— Lectures in Navigation • Ernest Gallaudet Draper

... the sun and rotate upon their axes, and the satellites, with one exception, revolve about their primaries, and, so far as is known, rotate upon their axes in the same direction, from west to east, and the motions take place very nearly in the same plane—the ecliptic. This seems to point to the conclusion that these motions have a common origin, as would be the case if all these bodies at one time existed as a single mass which revolved in the same direction. The one exception is to be found in the satellites of Uranus, ...
— The Story of Creation as told by Theology and by Science • T. S. Ackland

... trained to become superiors, in time. Patrolman Willis set a time-switch and pushed the overdrive button. The squad ship hopped, and abruptly the local sun had a perceptible disk. Willis made the usual tests for direction of rotation, to get the ecliptic plane. He began to search for planets. As he found them, he checked with the reference data. All this was tedious. ...
— A Matter of Importance • William Fitzgerald Jenkins

... to the central body from various directions in space. This, too, is exactly what happens. Unlike planets, whose orbits approximate to one plane, comets have orbits that show no relation to one another; but cut the plane of the ecliptic at all angles, and have axes inclined ...
— Essays: Scientific, Political, & Speculative, Vol. I • Herbert Spencer

... shooting star; meteorite, uranolite^. constellation, zodiac, signs of the zodiac, Charles's wain, Big Dipper, Little Dipper, Great Bear, Southern Cross, Orion's belt, Cassiopea's chair, Pleiades. colures^, equator, ecliptic, orbit. [Science of heavenly bodies] astronomy; uranography, uranology^; cosmology, cosmography^, cosmogony; eidouranion^, orrery; geodesy &c (measurement) 466; star gazing, star gazer^; astronomer; observatory; planetarium. Adj. cosmic, ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget

... ships, nearly three and a half weeks passed before the sun they sought, singled itself from the star-field as an extra bright point. Two days more, and the sun was within planetary distance. They came at an angle to the plane of the ecliptic, but they leveled down to it now, and slanted toward giant Jupiter and Jovian worlds. Ten worlds, in one sweep, it was—four habitable worlds. The nine satellites would be converted into forts at once, nine space-sweeping forts guarding the ...
— The Ultimate Weapon • John Wood Campbell



Words linked to "Ecliptic" :   great circle



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