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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



... cotton or tons of manufactured iron which they consume for the benefit of Manchester and Sheffield, are certainly as comic as anything in Aristophanes. The madness of the philosopher who deemed himself personally answerable for the obliquity of the ecliptic has more than its match in the sense of responsibility shown by British journalists for the good conduct of the rest of mankind. All other kingdoms, potentates, and powers would seem to be minors or lunatics, ...
— Atlantic Monthly, Vol. 8, No. 50, December, 1861 • Various

... the early Babylonians in mathematics and astronomy were far beyond those of the Egyptians. They divided the year into twelve months, and arrived at the signs of the ecliptic or zodiac. The week they fixed at seven days by the course of the moon. They divided the day into twelve hours, and the hour into sixty minutes. They invented weights and measures, the knowledge of which went from ...
— Outline of Universal History • George Park Fisher

... The 'Ecliptic' was carrying coals from Newcastle. The time was midnight, the sky was misty, and the gale was from the south-east, when the watch reported a light ahead. The cabin boy was standing on deck near ...
— The Book of the Bush • George Dunderdale

... story rests. One such interpretation of the Deluge narrative in Babylonia, particularly favoured by recent German writers, would regard it as reflecting the passage of the Sun through a portion of the ecliptic. It is assumed that the primitive Babylonians were aware that in the course of ages the spring equinox must traverse the southern or watery region of the zodiac. This, on their system, signified a submergence of the ...
— Legends Of Babylon And Egypt - In Relation To Hebrew Tradition • Leonard W. King

... the city, learned 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 ...
— THE HISTORY OF EDUCATION • ELLWOOD P. CUBBERLEY

... snow-capt brow, Where whirling MAELSTROME roars and foams below; Watch with unmoving eye, where CEPHEUS bends His triple crown, his scepter'd hand extends; 515 Where studs CASSIOPE with stars unknown Her golden chair, and gems her sapphire zone; Where with vast convolution DRACO holds The ecliptic axis in his scaly folds, O'er half the skies his neck enormous rears, 520 And with immense meanders parts the BEARS; Onward, the kindred BEARS with footstep rude Dance round the ...
— The Botanic Garden - A Poem in Two Parts. Part 1: The Economy of Vegetation • Erasmus Darwin

... years, and indeed was only displaced by the immortal "Principia" of Newton. It commences with the doctrine that the earth is globular and fixed in space, it describes the construction of a table of chords, and instruments for observing the solstices, it deduces the obliquity of the ecliptic, it finds terrestrial latitudes by the gnomon, describes climates, shows how ordinary may be converted into sidereal time, gives reasons for preferring the tropical to the sidereal year, furnishes the solar theory on the principle of the sun's orbit being a simple eccentric, explains the equation ...
— History of the Conflict Between Religion and Science • John William Draper

... 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

... 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 manner ...
— Prefaces and Prologues to Famous Books - with Introductions, Notes and Illustrations • Charles W. Eliot

... There are variations, it is true, which, in obedience to the laws of universal gravitation, affect the form of the earth's orbit and the inclination of the ecliptic, that is, the angle which the axis of the earth makes with the plane of its orbit; but these periodical variations are so slow, and are restricted within such narrow limits, that their thermic effects would hardly be appreciable by our instruments in many thousands ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

... of the ancients from the starry sphere. It also contains a singular hypothesis of the author's upon the celebrated island of Atlantis, mentioned by Plato and other Greek authors; and some very curious speculations concerning the doctrine of the change in the angle which the plane of the ecliptic makes with the ...
— Notes and Queries, Number 215, December 10, 1853 • Various



Words linked to "Ecliptic" :   great circle



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