ECLIPTIC

ēklĭpˈtĭk, ĭ–, the great circle on the celestial sphere that lies in the plane of the earth's orbit (called the plane of the ecliptic). Because of the earth's yearly revolution around the sun, the sun appears to move in an annual journey through the heavens with the ecliptic as its path. The ecliptic is the principal axis in the ecliptic coordinate system. The two points at which the ecliptic crosses the celestial equator are the equinoxes. The obliquity of the ecliptic is the inclination of the plane of the ecliptic to the plane of the celestial equator, an angle of about 23 1 / 2°. The constellations through which the ecliptic passes are the constellations of the zodiac.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Ecliptic
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books on: Ecliptic  - 677 results

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1.
A Dictionary of Astronomy
Book by Ian Ridpath; Oxford University Press, 1997
Subjects: Astronomy--Dictionaries
...Moons orbit regress westwards around the ecliptic by about 19 per year. There are almost...symbiotic stars, and related types. ecliptic The apparent path of the Sun against...year. The movement of the Sun along the ecliptic is actually a result of the Earths movement...
2.
An Introduction to Celestial Mechanics
Book by Theodore E. Sterne; Interscience Publishers, 1960
Subjects: Celestial Mechanics
...plane perpendicular to this axis. The ecliptic is the plane of the earths orbit about the sun, and a normal to the ecliptic is often chosen as the axis of polar coordinate systems that are termed ecliptic, the positive direction of the normal...
3.
Astronomy: A Revision of Young's Manual of Astronomy - Vol. 1
Book by Henry Norris Russell, Raymond Smith Dugan, John Quincy Stewart; Ginn, 1926
Subjects: Astronomy, Solar System
...and planets, which are never far from the ecliptic, and for this reason the ecliptic which is simply the trace of the plane of the...distance of a heavenly body north or south of the ecliptic, and longitude celestial is the arc of the...
4.
The Religion of the Mithras Cult in the Roman Empire: Mysteries of the Unconquered Sun
Book by Roger Beck; Oxford University Press, 2006
Subjects: Mithraism, Rome--Religion
...which is actually the Suns orbit, we call the ecliptic, The ecliptic is oblique to the celestial equator by approximately 231/z . The points at which the ecliptic intersects the equator are the spring and autumn...
5.
Three Copernican Treatises
Includes: The Commentariolus of Copernicus; The Letter against Werner; The Narratio Prima of Rheticus
Book by Edward Rosen; Columbia University Press, 1939
Subjects: Astronomy--Early Works To 1800, Werner, Johannes--1468-1528--De Motu Octavae Sphaerae
or ecliptic; 42 hence the moon moves out of the plane of the ecliptic. Its inclination is determined by the size of an...revolve at an equal distance from the axis of the ecliptic, 44 in nearly the same manner as was explained regarding...
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journal articles on: Ecliptic  - 52 results

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1.
The Intrinsic Distribution and Selection Bias of Long-Period Cometary Orbits
Journal article by Peter E. Jupp, Peter T. Kim, Ja-Yong Koo, Paul Wiegert; Journal of the American Statistical Association, Vol. 98, 2003
...sensible to use the (heliocentric) ecliptic coordinate system, which is indicated...direction lies in the intersection of the ecliptic plane (the plane of the earths orbit...orthogonal to the first and lies in the ecliptic plane. The third axis is perpendicular...
2.
Solar-Periodic Full Moon Effect in the Fourmilab RetroPsychoKinesis Project Experiment Data: An Exploratory Study
Journal article by Eckhard Etzold; The Journal of Parapsychology, Vol. 69, 2005
Subjects: Gamblers--Psychological aspects, Gamblers--Research, Lunar phases--Psychological aspects, Lunar phases--Research, Moon--Phases, Moon--Psychological aspects, Moon--Research, Psychokinesis--Research
...of the moons position related to the ecliptic plane changes with its revolution around...Eclipses occur only if the moon crosses the ecliptic within a maximum deviation of 0.5degrees from the ecliptic plane. The moon travels along an orbit...
3.
Ern Malley and His Rivals
Journal article by Brian Lloyd; Australian Literary Studies, Vol. 20, 2001
Subjects: Criticism--Criticism, interpretation, etc., Literature--Criticism, interpretation, etc., Modernism--Philosophy, Periodicals--Management
...way of characterising the Ecliptic is important in two ways...Another way of seeing the Ecliptic as criticism lies in exactly...Although Ern Malleys Darkening Ecliptic is arguably the most famous...explaining the circumstances of the Ecliptics advent. This article argues...
4.
Planetary Diagrams for Roman Astronomy in Medieval Europe, Ca. 800-1500
Journal article by Bruce Eastwood, Gerd Braßhoff; Transactions of the American Philosophical Society, Vol. 94, 2004
Subjects: Astronomy, Europe, European history, Middle Ages, Research & development--R&D, Teaching
...circles the earth on a plane called the ecliptic and that all the other planets circle...circle with respect to the plane of the ecliptic. The diagram represented the motion...unique angle in its semicircle above the ecliptic and its subsequent semicircle below the...
5.
Adventures in Malley Country: concerning Peter Carey's My Life as a Fake
Journal article by Ross Chambers; Cultural Studies Review, Vol. 11, 2005
Subjects: Carey, Peter, Literary criticism, Males, Self image, Single persons, Social life & customs, Stereotypes
...fictive Malleys opus, The Darkening Ecliptic, was intended as a fake but turned out...provenance; they are from The Darkening Ecliptic, which Carey in turns attributes to...sure, I submit, whether The Darkening Ecliptic is fake poetry of some genius, or a...
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magazine articles on: Ecliptic  - 28 results

       More magazine Results: 1-10 11-20 21-28 >>  
 
1.
New Galactic Watering Holes
Magazine article by Joseph Baneth Allen; World and I, Vol. 23, December 2008
...the narrow swath of sky known as the ecliptic plane--the plane of Earths orbit around...might send a shout out to us along the ecliptic plane. They plan on using the Allen...greeting by taking advantage of Earths ecliptic plane across the Sun. Such a message...
2.
Stairways to Heaven
Magazine article; Natural History, Vol. 102, June 1993
Subjects: Architecture, Historic buildings & sites, India, Jai Singh, Sawai II, Observatories
...apparent orbit around the earth, called the ecliptic, inclines to the earths equator at an...hypotenuse of a triangle with the pole of the ecliptic, just as the hypotenuse of the Samrat...constant, the direction of the pole of the ecliptic is continually on the move, its apparent...
3.
Turn, Turn, Turn
Magazine article by Donald Goldsmith; Natural History, Vol. 115, December 2006
Subjects: Astronomy, Changes, Orbits, Seasons, Summer, Sun, Winter
...around the sky, along the path called the ecliptic. Although ancient astronomers could...hand around the sky that includes the ecliptic. In the zodiacal system for keeping...Sun was reaching its marks along the ecliptic progressively earlier, by one day every...
4.
Venus's Brilliant Performance
Magazine article by Joe Rao; Natural History, Vol. 105, February 1996
Subjects: Astronomy, Planets, Venus, Winter
...Performance by Joe Rao Every eight years, the steep angle of the ecliptic (the plane of the solar system) from the western horizon...latitudes. It closes in on the sun and moves southward across the ecliptic, which at this time of the year lies low along the eastern...
5.
Look Back in Awe
Magazine article by Eric Adams; Popular Science, Vol. 261, December 2002
Subjects: Cameras, CrossLink, Photography, Space shuttle
...built by CrossLink Inc. (which has since sold the product to Ecliptic Enterprises Corp.), made its debut with the launch of space...thing that disappointed us," says Rex Ridenoure, CEO of Ecliptic Enterprises. "We knew it was going to happen, but NASA didnt...
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newspaper articles on: Ecliptic  - 52 results

       More newspaper Results: 1-10 11-20 21-30 31-40 41-50 >>  
 
1.
Ecliptic Is One to Follow at Salisbury
Newspaper article; The Journal (Newcastle, England), October 10, 2011
Ecliptic Is One to Follow at Salisbury. Byline: Saraband ECLIPTIC showed some seriously smart form as a juvenile and...another of Richard Hannons top juveniles, King Torus. Ecliptic has not been sighted since, but connections would...
2.
Ecliptic Can Eclipse Rivals
Newspaper article; Daily Post (Liverpool, England), October 10, 2011
Ecliptic Can Eclipse Rivals. Byline: ARGUS ECLIPTIC showed some seriously smart form as a juvenile and he must...another of Richard Hannons top juveniles, King Torus. Ecliptic has not been sighted since, but connections would surely...
3.
THE 'Ecliptic' Is a Line
Newspaper article; The Daily Mail (London, England), July 25, 2007
THE Ecliptic Is a Line. Byline: JONATHAN CAINER THE ecliptic is a line that astronomers mentally project onto a partof the sky near the zodiac constellations. The zodiac, depending on who youask, is either a set of star groups or a series of...
4.
Dettori Is a Real Fall Guy at Sandown; Frankie Takes a Tumble as Ecliptic Triumphs
Newspaper article; The Journal (Newcastle, England), June 12, 2010
...Dettori Is a Real Fall Guy at Sandown; Frankie Takes a Tumble as Ecliptic Triumphs. FRANKIE Dettori will be hoping for flying dismounts...plan as he ranged upsides Ahmed Ajtebi and 5-4 favourite Ecliptic in front of the grandstands. However, his mount jinked left...
5.
The Node Secret
Newspaper article; Daily Record (Glasgow, Scotland), April 30, 2009
...Their path draws a circle in the skies, known as the ecliptic. The Moons orbit around the Earth is not the same as the ecliptic, resembling two giant hoops. The Moons orbit crosses the Ecliptic in two places - the Moons Nodes. The North Node...
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encyclopedia articles on: Ecliptic  - 38 results

       More encyclopedia Results: 1-10 11-20 21-30 31-38 >>  
 
1.
Ecliptic
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
ECLIPTIC eklip tik, i , the great circle on the...earths orbit (called the plane of the ecliptic). Because of the earths yearly revolution...annual journey through the heavens with the ecliptic as its path. The ecliptic is the principal...
2.
Ecliptic Coordinate System
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
ECLIPTIC COORDINATE SYSTEM an astronomical coordinate system in which the principal coordinate axis is the ecliptic , the apparent path of the sun through the heavens. The ecliptic poles are the two points at which a line perpendicular...
3.
Obliquity of the Ecliptic
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
OBLIQUITY OF THE ECLIPTIC see inclination . ____________________ Copyright 2009 Columbia University Press. Used with the permission of Columbia University Press. All rights reserved.
4.
Precession of the Equinoxes
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...westward motion of the equinoxes along the ecliptic . This motion was first noted by Hipparchus...moves on the celestial sphere , while the ecliptic, which lies in the plane of the earths...intersections of the celestial equator and the ecliptic, thus move on the celestial sphere...
5.
Node
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...the earths orbit around the sun ( ecliptic ). Since the moons orbit has an inclination of 5 9 to the plane of the ecliptic, there are two nodes in the moons...its orbit crosses from south of the ecliptic plane to north of it is called the...
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