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Topic: Ecliptic plane

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	Horoscopes and Astrology 2008 Horoscope 2008
		The plane of the ecliptic is defined by the orbits of the earth and the sun.
		The plane of the horizon is centred on the native, and is tangential to the earth at that point.
		It is centered on the ecliptic, and its width is sufficient to allow for the fact that the orbits of the moon and all other planets are not parallel to the plane of the ecliptic.
	www.horoscope-horoscopes.eu (1740 words)

	Orbits and the Ecliptic Plane
		The ecliptic plane is tilted 23.5° with respect to the plane of the celestial equator since the Earth's spin axis is tilted 23.5° with respect to its orbit around the sun.
		The points where the ecliptic crosses the equatorial plane of the celestial sphere are called equinoxes.
		The ecliptic plane is inclined at 23.5° with respect to the celestial equator because of the tilt of the Earth's rotation axis with respect to the plane of its orbit around the sun.
	hyperphysics.phy-astr.gsu.edu /hbase/eclip.html (994 words)

	The Path of the Sun, the Ecliptic
		Planets seen in the sky are always near the ecliptic, which means that their orbits are never too far from the plane of the ecliptic.
		The moon's orbit cuts the ecliptic at a shallow angle, around 5 degrees, which means that on the celestial sphere the Moon, too, follows a path through the zodiac.
		Since the Sun and Earth are in the plane of the ecliptic, the line is automatically in that plane too; if the moon is also on the same line, it must be in the plane of the ecliptic as well.
	www.phy6.org /stargaze/Secliptc.htm (1232 words)

	Oort Cloud
		The structure of the cloud is believed to consist of a relatively dense core that lies near the ecliptic plane and gradually replenishes the outer boundaries, creating a steady state.
		One sixth of an estimated six trillion icy objects or comets are in the outer region with the remainder in the relatively dense core.
		This pull contributes to the steady state which replenishes the outer comets that are randomly distributed away from the ecliptic plane.
	www.solarviews.com /eng/oort.htm (710 words)

	ASP: This Restless Globe
		The relation of the celestial equator and poles to the ecliptic and its poles is complicated by the fact that the ecliptic is not stationary.
		The effects of these changes, in combination, are general precession, the observed precession of the equinoxes westward along the ecliptic, and a change in the obliquity of the ecliptic (its inclination in relation to the celestial equator) and its inclination in relation to the invariable plane.
		The greater the inclination of the ecliptic, the greater the extremes of the Earth's travels north and south in relation to the Sun.
	www.astrosociety.org /education/publications/tnl/45/globe3.html (588 words)

	Ecliptic - AstrologyNotes
		The ecliptic plane is inclined by ~23.5°, with respect to the celestial equator; a result of axial tilt.
		The orbital plane of the Moon is inclined by ~5°, with respect to the ecliptic.
		The point on the ecliptic that is farthest north of the celestial equator is called the summer solstice in the northern hemisphere, and the winter solstice in the southern hemisphere.
	astrologynotes.org /Ecliptic (308 words)

	GLOSSARY
		The coordinate system used to describe this pointing direction (a vector) is an ecliptic system where the ecliptic is the plane of the Earth's orbit around the Sun.
		The system is further defined as having an X axis which points along the vernal Equinox (the line formed by the intersection of the Earth's equator and the ecliptic plane at a reference date) and a Z axis which is perpendicular to the ecliptic plane.
		Latitude is the angle between the pointing vector and the ecliptic plane.
	lunar.arc.nasa.gov /resources/gloss.htm (961 words)

	SSC:FLS: Ecliptic Component
		The ecliptic plane component (EPC) of the FLS concentrated on two 0.13 square deg fields at a solar elongation of 115 degrees and ecliptic latitudes (beta) of 0 degrees and +5 degrees.
		This field shape was chosen as a compromise between instrument observing mode efficiency, which favors long scan strips, and the desire for greater spread parallel to the ecliptic plane to minimize loss of asteroids off the detection area.
		The three MIPS scan strips (covered twice) for each field will be 1° long, running perpendicular to the ecliptic plane and with a 2 pixel overlap between consecutive scan strip positions.
	ssc.spitzer.caltech.edu /fls/eclip (1301 words)

	Astrology Ecliptic - © Dr Shepherd Simpson
		Ancient Astrological Concepts] Ecliptic means literally, "of, or pertaining to, an eclipse." [An eclipse is the passage of one heavenly body in front of another one, so that the eclipsed body is lost to view.] The definition of ecliptic we are more used to is its solar meaning.
		The Sun and Earth are said to lie in the 'plane of the ecliptic'.
		The Plane of the Ecliptic The plane of the ecliptic, as viewed from above the north pole of the Sun.
	www.geocities.com /astrologyancientconcepts/ecliptic.htm (622 words)

	Voyager - Science - Planetary Voyage
		The prime Voyager mission to Jupiter and Saturn brought Voyager 1 to Jupiter on March 5, 1979, and Saturn on November 12, 1980, followed by Voyager 2 to Jupiter on July 9, 1979, and Saturn on August 25, 1981.
		Voyager 1 has crossed into the heliosheath and is leaving the solar system, rising above the ecliptic plane at an angle of about 35 degrees at a rate of about 520 million kilometers (about 320 million miles) a year.
		Voyager 2 is also headed out of the solar system, diving below the ecliptic plane at an angle of about 48 degrees and a rate of about 470 million kilometers (about 290 million miles) a year.
	voyager.jpl.nasa.gov /science/planetary.html (955 words)

	SPACE.com -- Spacewatch Friday: Understanding the Ecliptic and the Zodiac
		Usually the Moon and planets are not positioned exactly on the ecliptic (because they're not located exactly in the same orbital plane as Earth), but lie within several degrees of it and form a sort of narrow strip encompassing the entire sky which we call the Zodiac.
		The ecliptic also passes through the constellation of Ophiuchus, which is not included among the so-called signs of the Zodiac.
		Because the Moon's orbit is inclined 5 degrees to the Earth's orbital plane, periodically it crosses over the ecliptic.
	www.space.com /spacewatch/ecliptic_030228.html (1019 words)

	Terms and Definitions
		The inclination of a planet's orbit is the angle between the plane of its orbit and the ecliptic.
		The inclination of a moon's orbit is the angle between the plane of its orbit and the plane of its primary's equator.
		A synchronous satellite with an orbital inclination of zero (same plane as the planet's equator) stays fixed in the sky from the perspective of an observer on the planet's surface.
	www.solarviews.com /eng/terms.htm (4644 words)

	Orbits and the Ecliptic Plane
		The ecliptic plane intersects the celestial equatorial plane along the line between the
		ecliptic plane is inclined at 23.5É with respect to the
		celestial equator because of the tilt of the Earth's rotation axis with respect to the plane of its orbit around the sun.
	www.ecology.com /archived-links/ecliptic-plane/index.html (601 words)

	The Moon's path through the stars
		This means that, while the Moon's pathline intersects the Sun's pathline (Ecliptic) twice during one lunation, its path is tilted slightly so that it separates from the Sun's path by 5.15 degrees at maximum separation - a distance of roughly 10 moonwidths as seen by the observer.
		The points where the path of the Moon crosses the Ecliptic are called the "Nodes" - specifically the "ascending node", or the point where the Moon crosses the Ecliptic moving south to north, and the "descending node", the point where it crosses heading from north to south.
		The rotation of the nodes, and knowledge of the Moon's separation from the Ecliptic is crucial to understanding how the ancients predicted eclipses, and crucial to understanding why they marked the so-called "standstills" of the Moon using standing stones, stone circles and other sites.
	www.mythicalireland.com /astronomy/moonmovements/moonpath.html (1161 words)

	eSky: Northern Ecliptic Pole (Site not responding. Last check: )
		The planets of the Solar System, with the exception of Pluto, orbit the Sun in a common plane, known as the plane of the Ecliptic.
		The Ecliptic Poles represent the ends of an imaginary line perpendicular to the Ecliptic plane, extending directly 'above' and 'below' it, with the Northern Pole lying in the central regions of the constellation Draco.
		The Earth rotates on its axis at an angle to the Ecliptic plane, and this means that the Northern Celestial Pole, based on the Earth's axis, does not coincide closely with the Northern Ecliptic Pole.
	www.glyphweb.com /esky/concepts/northerneclipticpole.html (119 words)

	The Path of the Sun, the Ecliptic
		Planets seen in the sky are always near the ecliptic, which means that their orbits are never too far from the plane of the ecliptic.
		The moon's orbit cuts the ecliptic at a shallow angle, around 5 degrees, which means that on the celestial sphere the Moon, too, follows a path through the zodiac.
		Since the Sun and Earth are in the plane of the ecliptic, the line is automatically in that plane too; if the moon is also on the same line, it must be in the plane of the ecliptic as well.
	www-spof.gsfc.nasa.gov /stargaze/Secliptc.htm (1232 words)

	APOD: 2000 October 14 - The Ecliptic Plane
		Explanation: The Plane of the Ecliptic is well illustrated in this picture from the 1994 lunar prospecting Clementine spacecraft.
		The ecliptic plane is defined as the imaginary plane containing the Earth's orbit around the Sun.
		The Solar System's planetary bodies all tend to lie near this plane, since they were formed from the Sun's spinning, flattened, proto-planetary disk.
	antwrp.gsfc.nasa.gov /apod/ap001014.html (149 words)

	Nostredame.com - Sideral, Karmic, Indian and Chinese Astrology
		For those unaware of the method by which an astrological sign is defined, that constellation which is on the ecliptic plane of the solar system and which is illuminated by the sun at the moment of birth is the astrological sign.
		The ecliptic plane is the path the sun covers each year among the fixed constellations in the celestial sphere which has our planet as centre.
		The ecliptic plane is the plane on wich turn all the planets of our solar system except for PLUTO because its path is a little sloping.
	www.nostredame.com /side_eng.htm (1363 words)

	APOD: 2005 May 3 - Solar System Rising Over Fire Island
		All of the planets and their moons orbit the Sun in nearly the same plane, the ecliptic plane.
		Solar System, including most comets and many asteroids, do not always move along the ecliptic plane.
		Fire Island Lighthouse, visible in the foreground, was built in 1826 and is still in use today.
	antwrp.gsfc.nasa.gov /apod/ap050503.html (192 words)

	ZetaTalk: Precursor Drift
		The Earth is held in its orbit by numerous forces, only one of which is the Sweeping Arms of the Sun which whisk the planets in a counterclockwise orbit around the Sun’s middle.
		A second influence is the Ecliptic plane backwash of particles, returning to the Sun at its middle such that the planets are drawn in by gravity but held out by the Repulsion Force, thus caught bobbling about in the Ecliptic backwash while swept along by the sweeping arms.
		Both are magnets, both tending to align with the Sun’s magnetic alignment, which is static despite what NASA has theorized on magnetic reversals of the Sun every 11 years, disproved by their own Ulysses probe.
	www.zetatalk.com /index/zeta60.htm (635 words)

	Erection of the Holy Cross: The Sacred Geometry of Global Change
		This precessional movement causes Earth's polar axis, and Earth's equatorial plane, to wobble in an approximate period of 23,000 to 26,000 years with respect to two other astrophysical planes: the ecliptic plane and the galactic plane.
		The ecliptic plane, or solar plane, is the plane of the soul, where as Earth's equatorial plane is that of the incarnate personality.
		These three intersecting astrophysical planes, the galactic plane, the ecliptic plane, and the Earth's equatorial plane, all tilted at unique angles to one another, create the geometric orientation of the two intersecting lines or cross members of the Holy Cross.
	www.lunarplanner.com /HolyCross.html (6642 words)

	Introduction to Spherical Astronomy: p. 9 (Site not responding. Last check: )
		The ecliptic is inclined about 23.5° compared to the celestial equator.
		Thus during half the year the Sun is north of the celestial equator, and the Sun follows a path in the sky like the red star on the previous page.
		But since the creep of the Sun along the ecliptic (one rotation per year) is so much slower than the daily rotation of the whole celestial sphere (one rotation per day), the Sun is seen to move from east to west in our sky.
	www.physics.csbsju.edu /astro/CS/CS.09.html (357 words)

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