| 单词 | apparent motion |
| 例句 | Finally, in 1543, a quite different hypothesis to explain the apparent motion of the planets was published by a Polish Catholic cleric named Nicholas Copernicus. Cosmos 1980-01-01T00:00:00Z Tycho had commended Mars to Kepler because its apparent motion seemed most anomalous, most difficult to reconcile with an orbit made of circles. Cosmos 1980-01-01T00:00:00Z If you followed their apparent motion over many months, they would leave one constellation, enter another, occasionally even do a kind of slow loop-the-loop in the sky. Cosmos 1980-01-01T00:00:00Z They also monitored the apparent motion of the Moon: the twenty- eight higher niches in the kiva may represent the number of days for the Moon to return to the same position among the constellations. Cosmos 1980-01-01T00:00:00Z Eventually the detailed observations of the apparent motion of the planets forced him to abandon the idea of circular paths and to realize that planets travel in ellipses. Cosmos 1980-01-01T00:00:00Z But how do we explain the apparent motion of the planets—Mars, for example, which had been known for thousands of years before Ptolemy’s time? Cosmos 1980-01-01T00:00:00Z I can estimate the distance to my finger from the amount of this apparent motion, or parallax. Cosmos 1980-01-01T00:00:00Z It worked at least as well as Ptolemy’s spheres in explaining the apparent motion of the planets. Cosmos 1980-01-01T00:00:00Z Tycho’s observations of the apparent motion of Mars and other planets through the constellations were made over a period of many years. Cosmos 1980-01-01T00:00:00Z As our angle to either object changes, we see the apparent motion change direction, even as the real motion is constant. How to Survive Mercury in Retrograde 2023-08-17T04:00:00Z Among other things, it was Hipparchus himself who first discovered Earth’s precession, and he modelled the apparent motions of the Sun and Moon. First Known Map of Night Sky Found Hidden in Medieval Parchment 2022-10-20T04:00:00Z According to the researchers, the results indicate that goldfish estimate distances by looking for the apparent motion of patterns in their environment, called optic flow. Oxford University: Goldfish do have good memories, scientists find 2022-10-13T04:00:00Z A considerable force can be resisted by friction with no apparent motion. College Physics for AP Courses 2015-08-12T00:00:00Z The apparent motion of celestial objects in the sky around the pole is shown by the circular arrow. Astronomy 2016-10-13T00:00:00Z The pictures are taken using a long exposure, with the apparent motion of the stars due to Earth's rotation. Clear nights skies delight photographers 2020-04-01T04:00:00Z Masi said a smaller telescope might work if combined with a sensitive imaging device that can also record its apparent motion across the stars. An asteroid will pass so close to Earth on Saturday that home astronomers will be able to see it 2019-09-13T04:00:00Z This is the pattern of apparent motion of objects in the visual field they are looking at, caused by the actual movement of the insect they are attached to. Seeing triple 2015-07-23T04:00:00Z In other words, the brain perceived apparent motion with the first flip-book, but most likely did not perceive this phenomenon with the second flip-book. Set-in-Motion Science: Apparent Movement in Flip-Books 2013-04-18T14:15:00.897Z Learning about these can help us understand the apparent motion of objects in the sky from various places on Earth. Astronomy 2016-10-13T00:00:00Z As "armistice" is defined as a staying of the action of arms, "solstice" is a staying of the sun's apparent motion over the latitudes of the Earth. Dec. 21: The Winter Solstice Explained 2012-12-21T21:15:00.240Z About this time its apparent motion in the sky will be very rapid. Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z The Almagest comprises in all thirteen books, the first two of which deal with the simpler observations of the celestial sphere, its own motion and the apparent motions of sun, moon, and planets upon it. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z In this activity you will investigate the phenomenon of apparent motion by making your own flip-book animations. Set-in-Motion Science: Apparent Movement in Flip-Books 2013-04-18T14:15:00.897Z Although their apparent motions are complex, they reflect an underlying order upon which the heliocentric model of the solar system, as described in this chapter, was based. Astronomy 2016-10-13T00:00:00Z The astronomers of the past century proved that the sun not only has the apparent motion, which every one sees; but that it also has a motion proper to itself. The Sun changes its position in space therefore it cannot be regarded as being "in a condition of rest" 2012-03-08T03:00:10.827Z This, so far from being inadequate, is greatly in excess of the alleged apparent motion in the plane of a pendulum's vibration. Notes and Queries, Vol. IV, Number 102, October 11, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. 2012-02-07T03:00:08.550Z Having arrived at their rendezvous, they danced round it ‘withershins’—that is, in reverse of the apparent motion of the sun. Witch, Warlock, and Magician Historical Sketches of Magic and Witchcraft in England and Scotland 2012-02-06T03:00:14.350Z The greater the sphere or orbit of a planet, the slower is its apparent motion. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z Since the rotation period of the Sun can be determined by observing the apparent motions of sunspots, a correction must be made for the orbital motion of Earth. Astronomy 2016-10-13T00:00:00Z When you speak of the sun's motion, you mean, I suppose, his apparent motion, produced by the diurnal motion of the earth? Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z The only visible features are storms, the apparent motion of which results from a mixture of the planet's rotation and shifting weather fronts. New Analysis Shortens Neptune's Day by a Few Minutes 2011-07-07T20:45:00.457Z The Chinese attribute the commencement of the sun's apparent motion to the stars of Taurus. Astronomical Myths Based on Flammarions's History of the Heavens 2011-06-24T02:00:15.873Z The apparent motion of the planet thus far will have been direct, from west to east in the order of the signs. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z At the same time, the apparent motion of the Sun slows down as Mercury’s faster motion in orbit begins to catch up with its rotation. Astronomy 2016-10-13T00:00:00Z Think what an immense circuit the sun and stars would make daily, were their apparent motions, real. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z The climbing sorts twine "against the sun;" that is, in a contrary direction to the apparent motion of the sun. Farm Gardening with Hints on Cheap Manuring Quick Cash Crops and How to Grow Them 2011-05-10T02:00:58.433Z Anaxagoras explains the apparent motion of the celestial sphere from east to west by the hypothesis of a general revolution, the interruption of which, as we have just seen, caused the fall of meteoric stones. Astronomical Myths Based on Flammarions's History of the Heavens 2011-06-24T02:00:15.873Z After a month Mars will be at M′ and the earth at E′, so that in its apparent motion Mars will have retrograded to M2. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z Copernicus argued that the apparent motion of the Sun about Earth during the course of a year could be represented equally well by a motion of Earth about the Sun. Astronomy 2016-10-13T00:00:00Z Mrs. B. Have we not a similar proof of the earth's motion, in the apparent motion of the sun and stars? Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z In astronomy Eudoxus is famous for the beautiful theory of concentric spheres which he invented to explain the apparent motions of the planets, and, particularly, their apparent stationary points and retrogradations. Archimedes Men of Science 2011-03-13T03:00:23.660Z This is easily ascertained, by the progression and regular motion of its swells, and not by its apparent motion. The South-West By a Yankee. In Two Volumes. Volume 2 2011-02-05T03:00:13.817Z II.—The stars and their diurnal motion 10 Finding the stars—Their apparent motion—Latitude—Direction of the meridian—Sidereal time—Definitions. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z Regarding the period of the revolution as 24 hours, the apparent motion goes on at the rate of 15� per hour. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" You are aware that it is the real motion of the earth in its orbit, which gives to the sun this apparent motion through the signs. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z Its main use is to give a representation of the apparent motions of the celestial bodies. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli The apparent motions of the moon and of the sun are so different because of the effect produced by the motion of the earth. Catholic Churchmen in Science Does the apparent motion of a star change its declination or right ascension? A Text-Book of Astronomy 2011-01-05T03:00:57.347Z The apparent motion of the heavens need not disturb the observation. My Schools and Schoolmasters or The Story of my Education. With no apparent motion of the paddles—though the wrists of the paddlers moved almost imperceptibly—the canoe of the bushmen floated to the bank. The Pathless Trail Thus they speak of apparent motion, magnitude, distance, height, &c. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli He could aim for Weald itself,—allowing, of course, for the lag in the apparent motion of its image because of the limited speed of light. Pariah Planet Their apparent motion was in the same direction as that of the sun. The Pygmy Planet The steamer was heavily loaded, and had little apparent motion; bright days and bright nights succeeded each other. Zigzag Journeys in Northern Lands; The Rhine to the Arctic; A Summer Trip of the Zigzag Club Through Holland, Germany, Denmark, Norway, and Sweden The complexity of the old mode of regarding apparent motion may be illustrated by the case of a traveller in a railway train unaware of his own motion. Pioneers of Science It should be noted that this same Book of Ecclesiastes shows a much clearer idea of the sun's daily apparent motion than was held by many of the writers of antiquity. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture To an uninstructed observer, the apparent motion of the heavenly bodies round the Earth would naturally lead him to conclude that, of the two theories, the Ptolemaic was the correct one. The Astronomy of Milton's 'Paradise Lost' The hypotheses made by Ptolemy to account for the apparent motions conflict with the principles of the Aristotelian Physics. A History of Mediaeval Jewish Philosophy In this vertigo the irritative ideas of the apparent motions of objects are less distinct, and on that account are not succeeded by their usual irritative associations of motion; but excite our attention. Zoonomia, Vol. II Or, the Laws of Organic Life Mars, Jupiter, and Saturn were placed in that order because that is the order of their apparent motions, and it was natural to suppose that the slowest moving bodies were the furthest off. Pioneers of Science This is evident when we consider the different natures of the apparent motions of the sun and the moon. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture They, as ardent lovers of nature, have described in choicest language the pleasing vicissitudes brought about by the real and apparent motions of the celestial orbs. The Astronomy of Milton's 'Paradise Lost' It is like the apparent motion of the trees and the mountains to the traveller, when in reality it is he that is moving. A History of Mediaeval Jewish Philosophy RETROGRADE.�An apparent motion of a planet that is not in the order of the signs. How to Read the Crystal or, Crystal and Seer The effect observed by Bradley and Molyneux must manifestly be only an apparent motion: it was absurd to suppose a real stellar motion regulating itself according to the position of the earth. Pioneers of Science The only measure of time, available to the Israelites, independent of the apparent motion of the sun, was the number of miles marched. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture Galileo was unable to reconcile the altered positions of those bodies with the apparent motion of Jupiter among the fixed stars as indicated by the astronomical tables. The Astronomy of Milton's 'Paradise Lost' A planet's apparent motion to the westward, contrary to the order of the signs. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. Even in the case of the Sun the motion represents over twenty-five million miles per hour, and the apparent motion of the Stars is thousands of times faster than Light travels. Science and the Infinite or Through a Window in the Blank Wall Substituted for the apparent motion of the heavens the real motion of the earth. Pioneers of Science The angle is of course smaller in proportion as the star is more distant, and the apparent motion of the star diminishes in the same proportion. Astronomy for Amateurs There are other motions of the stars known as apparent motions, which are easily noted by any observer. Aether and Gravitation ZONES, in Geography, are longitudinal belts into which the surface of the earth is divided, according to their various relation to the sun's apparent motion. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. We know also that the apparent motion of the Sun causes that body to traverse the whole of the ecliptic in the course of the year. The Story of Eclipses There was no apparent motion in this berg, and the waves beat and rolled upon its base just as they do on the shore of an island. Fast in the Ice Adventures in the Polar Regions Is it for reasons derived from their apparent motion and known through observation or experience? The Oriental Religions in Roman Paganism These apparent motions are due to the rotation of the earth on its axis, and its orbital motion round the sun. Aether and Gravitation An apparent motion of the planets contrary to the order of the signs, and to their orbital march. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. From the positions of a star on two or more occasions we obtain its apparent motion, also called the proper motion of the star. Lectures on Stellar Statistics Like as in the same spectral phenomenon, too, this vessel seemed to be gliding towards them without sound or apparent motion. Bob Strong's Holidays Adrift in the Channel Their apparent motion slowed rapidly and the material about them thickened and became more and more opaque. Skylark Three They do not follow the apparent motions of the stars. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told The apparent motion, therefore, from east to west, must arise from the true and real motion of the earth on which we live, as I shall prove by and by. A Museum for Young Gentlemen and Ladies Or, a Private Tutor for Little Masters and Misses One was the apparent motion of the moon, when I tried to walk or run away from it. Confessions of Boyhood Also, who can tell just how large or small an element may depend upon the tradition that the left hand in itself is uncanny without reference to the sun’s apparent motion? Current Superstitions Collected from the Oral Tradition of English Speaking Folk All apparent motion had ceased, and Seaton could see only dimly the outlines of the faidon, now directly before his eyes. Skylark Three It appeared to be a fine piece of water making its way through the centre of huge forests, and, though the current is in reality strong, flowing on without any apparent motion. The Campaigns of the British Army at Washington and New Orleans 1814-1815 He could aim for Weald itself, allowing, of course, for the lag in the apparent motion of its image because of the limited speed of light. This World Is Taboo In convection, air and water circulate freely, carrying heat with them; in conduction, heat flows from a warm region toward a cold region, but there is no apparent motion of any kind. General Science The idea in performing this trick successfully is not to show any apparent motion of the muscles. Outdoor Sports and Games But in spite of the lack of apparent motion, the Violet was now leaping through the unfathomable depths of interstellar space with the unthinkable speed of five times the velocity of light! Skylark Three It is supposed that in the very dawn of science, Pythagoras or his disciples explained the apparent motion of the heavenly bodies about the earth by the diurnal revolution of the earth on its axis. The Uses of Astronomy An Oration Delivered at Albany on the 28th of July, 1856 We determine our perpendicularity by the apparent motions of objects. Zoonomia, Vol. I Or, the Laws of Organic Life The progress of the earth, meanwhile, although it greatly retards the apparent motion from A to C, greatly hastens it from C to A. Fig. Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work On the contrary, under certain circumstances we become still more fully aware of this apparent motion created by our inner activity when we are conscious of the interruptions between the various phases of movement. The Photoplay A Psychological Study The apparent motion of the cliffs grows feebler by degrees until "all was tranquil as a summer sea." Selections from Wordsworth and Tennyson The Greeks, too, had an elaborate mythology largely adapted from their neighbours, but they were not satisfied with this, and made persistent attempts to reduce the apparent motions of celestial objects to geometrical laws. Kepler A second difficulty we have to encounter is to distinguish our own real movements from the apparent motions of objects. Zoonomia, Vol. I Or, the Laws of Organic Life Aberration of light, an apparent motion in a star due to the earth's motion and the progressive motion of light. The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge Of course, the daily history of the appearance and disappearance of light is intimately connected with the apparent motion of the sun. American Hero-Myths A Study in the Native Religions of the Western Continent Arrived at the kirk, they paced around it withershins, that is, in reverse of the apparent motion of the sun. Memoirs of Extraordinary Popular Delusions — Volume 2 This apparent motion is due to the finite velocity of light, and the progressive motion of the observer with the earth, as it performs its yearly course about the sun. The Project Gutenberg Encyclopedia Volume 1 of 28 The ideas of apparent motions are always irritative ideas, because we never attend to them, whether we attend to the objects themselves, or to their real motions, or to neither. Zoonomia, Vol. I Or, the Laws of Organic Life If he makes a feint to throw and then delivers the ball with one apparent motion, without pausing to stand, he commits a balk. Spalding's Baseball Guide and Official League Book for 1889 Lying in nearly the same line of vision, with planes of movement at right angles with it, they would necessarily present the appearance of one star revolving about the other--an apparent motion only. Life: Its True Genesis This apparent motion of the sun in the sky is not an equable one. Scientific American Supplement, No. 358, November 11, 1882 I set her to going and from her apparent motion hope she has sustained no material injury.- at 9 A.M. The Journals of Lewis and Clark, 1804-1806 Many catenations of irritative motions were at first succeeded by sensation, as the apparent motions of objects when we walk past them, and probably the vital motions themselves in the early state of our existence. Zoonomia, Vol. I Or, the Laws of Organic Life We, who know that the earth revolves round the sun once in a year, can understand that the apparent motion of a planet is only its motion relative to the earth. History of Astronomy The motion of a planet is direct when it seems to move from west to east in the zodiac, and retrograde when its apparent motion is reversed. Palamon and Arcite There are few who have not observed a pigeon or a crow preserve, for some time, a horizontal flight without any apparent motion of the wings. The Book of Household Management From the time of Sir William Herschel the science of stellar astronomy, revealing the enormous distances of the stars—none of them really fixed, but all having real or apparent motions—was rapidly developed. The Great Events by Famous Historians, Volume 17 And as our bodies are never at perfect rest during our waking hours, these irritative ideas of objects are attended perpetually with irritative ideas of their apparent motions. Zoonomia, Vol. I Or, the Laws of Organic Life This way of looking at the apparent motions shows why each planet, when nearest to the earth, seems to move for a time in a retrograde direction. History of Astronomy Not for a minute did I relax my vigilance, yet not once on the way to Bremen did the German envoy betray himself by an apparent motion. The Secrets of the German War Office He discovered that apparent motion of the fixed stars round the axis of the ecliptic, which is called the Precession of the Equinoxes, one of the greatest discoveries in astronomy. The Old Roman World, : the Grandeur and Failure of Its Civilization. It is a powerful bird, and can compass long distances with a strong, steady flight, often moving with no apparent motion of the wings. Nature's Serial Story Hence the ideas of the apparent motions of objects are a complete circle of irritative ideas, which continue throughout the day. Zoonomia, Vol. I Or, the Laws of Organic Life Calm outwardly, and without apparent motion, the earth—at this very moment, as he leaned across the window-sill—was making these three gigantic, endless movements. The Extra Day All which ambiguity is to be found in the apparent motions, but not at all in the true or absolute, which should therefore be alone regarded in philosophy. A Treatise Concerning the Principles of Human Knowledge The distance of these stars is undoubtedly greater, and the apparent motion is therefore smaller. Side-Lights on Astronomy and Kindred Fields of Popular Science The moment had Greek beauty and more than Greek unity, but it was brief; and for another century or two, Western society seemed to float in space without apparent motion. The Education of Henry Adams We shall see that before the Alexandrian school lost its influence a geocentric scheme had been evolved which fully explained all the apparent motions of the heavenly bodies. A History of Science — Volume 1 The period of observation of the apparent motions of the heavenly bodies. History of the Conflict Between Religion and Science It is clear enough that the apparent motion will be more rapid the nearer the object. Side-Lights on Astronomy and Kindred Fields of Popular Science This result is of the greatest value for our purpose, because, when we consider only the apparent motions, as ordinarily observed, these are necessarily dependent upon the distance of the star. Side-Lights on Astronomy and Kindred Fields of Popular Science The mass of nature exercised on him so feeble an attraction that one can scarcely account for his apparent motion. The Education of Henry Adams For centuries astronomers made the most exact observations that they were able without having succeeded in detecting any such apparent motion among the stars. Side-Lights on Astronomy and Kindred Fields of Popular Science He adopted the theory of epicycles and eccentrics, a geometrical conception for the purpose of resolving the apparent motions of the heavenly bodies on the principle of circular movement. History of the Conflict Between Religion and Science |
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