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Topic: Vernal equinox point

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	Tropical year - Wikipedia, the free encyclopedia
		The precise length of time depends on which point of the ecliptic one chooses: starting from the (northern) vernal equinox, one of the four cardinal points along the ecliptic, yields the vernal equinox year; averaging over all starting points on the ecliptic yields the mean tropical year.
		Because the vernal equinox moves back along the ecliptic due to precession, a tropical year is shorter than a sidereal year (in 2000, the difference was 20.409 minutes; it was 20.400 min in 1900).
		As the equinox completes a full circle with respect to the perihelion (in about 21,000 years), the length of the tropical year as defined with reference to a specific point on the ecliptic oscillates around the mean tropical year.
	en.wikipedia.org /wiki/Tropical_year (1745 words)

	Vernal equinox - Wikipedia, the free encyclopedia
		At the vernal equinox, if the sun were an extremely distant point source like a star and the earth had no atmosphere, night and day would be equal, and the sun would set due West and rise due East all over the Earth except at the poles, where it would lie on the horizon.
		The equinox can be as early as March 19 or as late as March 21, the precise time being about 5 hours 49 minutes later in a common year, and about 18 hours 11 minutes earlier in a leap year, than in the previous year.
		The Iranian festival of Norouz is celebrated on the vernal equinox, as are the Bahá'í Naw-Rúz (which marks the beginning a new year in the Bahá'í calendar) and the Neopagan Sabbat of Ostara (or Eostar).
	en.wikipedia.org /wiki/Vernal_equinox (917 words)

	Equinox - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-11-03)
		In astronomy, an equinox is defined as the moment when the sun reaches one of two intersections between the ecliptic and the celestial equator.
		In the northern hemisphere, the March equinox is known as the vernal (spring) equinox and the September equinox is the autumnal (autumn) equinox.
		The vernal equinox typically falls on either 20 or March 21 and the autumnal equinox on 22 or September 23 – the dates vary because some years are leap years, shifting the calendar by a day or so relative to the seasons.
	encyclopedia.worldsearch.com /equinox.htm (898 words)

	* Equinox - (Astronomy): Definition
		Vernal Equinox - The point in the sky where the Sun appears to cross the celestial equator moving from south to north.
		The point on the ecliptic where the Sun crosses the celestial equator going north (vernal equinox) marks 0 hours R.A. On the short term, stars are fixed to the celestial sphere...
		Minutes and Seconds and the zero point is the position of the Sun on the vernal equinox (or in Pisces where the ecliptic and the celestrial equator cross).
	en.mimi.hu /astronomy/equinox.html (1402 words)

	Movement of the Vernal Equinox Point - © Dr Shepherd Simpson
		In the middle ages, the Vernal Equinox Point was in the constellation of Pisces.
		The Vernal Equinox Point lay on the border of the constellations of Aries and Pisces.
		The Vernal Equinox Point lay on the border of the constellations of Taurus and Aries.
	www.geocities.com /astrologyages/movementofthevep.htm (1747 words)

	CalendarHome.com - Vernal equinox - Calendar Encyclopedia
		In astronomy, the vernal equinox (spring equinox, march equinox, or northward equinox) is the equinox at the beginning of spring in the northern hemisphere: the moment when the sun appears to cross the celestial equator, heading northward.
		At the present time, the vernal equinox occurs as the sun moves through the constellation Pisces.
		There are two conventions for dealing with this: either the name of the equinox can be changed to the autumnal equinox, or (apparently more commonly) the name is unchanged and it is accepted that it is out of sync with the season.
	encyclopedia.calendarhome.com /Vernal_equinox.htm (286 words)

	Astrology Vernal Equinox - © Dr Shepherd Simpson
		There are several definitions of the vernal equinox, depending on whether it is being thought of as an event in time, with respect to the length of the daytime, an event in time, with respect to the Sun and the Celestial Sphere or an event in space, with respect to Sun and the stars.
		Vernal Equinox Point: This stellar position is called the Vernal Equinox Point, the Fiduciary Point [fiduciary means founded on trust], or the First Point in Aries.
		However, the connection between vernal equinox point and Aries is no longer correct because the vernal equinox point has moved.
	www.geocities.com /astrologystations/springequinox.htm (1250 words)

	eSky: Vernal Equinox
		The north pole points toward Polaris (the Pole Star), while the south pole points towards the constellation of Octans.
		Vernal comes originally from the Latin word for 'bloom' - it refers to the fact that, in the northern hemisphere, this equinox marks the end of winter and the beginning of spring.
		The point of the Vernal Equinox is presently in Pisces.
	www.glyphweb.com /esky/concepts/vernalequinox.html (407 words)

	AgeofAquarius
		However the position of the vernal point in the `modern’ zodiacal constellations is taken as the key calibrator of the precessional ages.
		The point of reference used in studying the precessional ages is the position of the sun at the vernal equinox (spring equinox for the Northern Hemisphere) relative to the background constellations.
		However this difference between the position of the vernal point, currently located in the Constellation of Pisces, and a rectification of the ages indicating we are in the Aquarian Age does not mean that the zodiacal constellations are `incorrect’.
	www.winshop.com.au /annew/AgeofAquarius.htm (3781 words)

	VERNAL EQUINOX
		This moment is known as the vernal equinox in the Northern Hemisphere.
		The vernal equinox, is also known as "the first point of Aries," is the point at which the sun appears to cross the celestial equator from south to north.
		Each Spring Equinox, at the time of the ancient agricultural festival of sowing, sunlight was allowed to enter the length of an open passage from the doorway of the temple over the high altar and into the Holy of Holies.
	www.gurdjieffdominican.com /equinox_spring.htm (574 words)

	THE VERNAL EQUINOX (Site not responding. Last check: 2007-11-03)
		The Vernal Equinox is one of the two points where the Ecliptic crosses the Celestial Equator.
		At the Vernal Equinox the sun appears to be moving across the equator from the Southern Celestial Hemisphere to the Northern Celestial Hemisphere.
		Since position of the Vernal Equinox is the reference point from which we measure right ascension, at the Equinox the sun has a right ascension of 0 hours.
	condor.stcloudstate.edu /~physcrse/astr106/emapspring.html (312 words)

	Information on Vernal equinox
		Vernal grass (Bot.), a low, soft grass ({Anthoxanthum odoratum), producing in the spring narrow spikelike panicles, and noted for the delicious fragrance which it gives to new-mown hay; -- also called sweet vernal grass.
		Vernal signs (Astron.), the signs, Aries, Taurus, and Gemini, in which the sun appears between the vernal equinox and summer solstice.
		vernal equinox n 1: March 21 [syn: March equinox, spring equinox] [ant: autumnal equinox] 2: (astronomy) the equinoctial point that lies in the constellation of Pisces
	www.wkonline.com /d/Vernal_equinox.html (212 words)

	Spring Equinox celebrations of Christianity, Judaism, Neopaganism, etc
		Under the new system, 1582-MAR-21 CE became the date of the vernal equinox, the year 1582 was shortened by ten days, and future centennial years (1600, 1700...2000) were not considered leap years unless they were divisible by 400.
		On the spring equinox, she mated with the solar god and conceived a child that would be born 9 months later on DEC-21: Yule, the winter solstice.
		Their rituals at the Spring Equinox are related primarily to the fertility of the crops and to the balance of the day and night times.
	www.religioustolerance.org /spring_equinox.htm (3227 words)

	The Equinox (Site not responding. Last check: 2007-11-03)
		The Sun in the sky during the Spring and Fall Equinox in the Northern hemisphere.
		On the Spring Equinox the Sun rises exactly in the east travels through the sky for 12 hours and sets exactly in the west.
		On the Equinox this is the motion of the Sun through the sky for everyone on earth.
	solar.physics.montana.edu /YPOP/Classroom/Lessons/Sundials/equinox.html (150 words)

	Vernal Equinox
		The Vernal Equinox is a point lying in the constellation Pisces known as the First Point of Aries.
		Equinoxes occur because the Earth's axis of rotation isn't aligned with the plane of its orbit around the Sun: it tilts over by about 23½°.
		The equinoxes are the points where the direction of poles are at a right angle to the Sun.
	www.palmbeachastro.org /calendar/vernalequinox.htm (442 words)

	Age of the Goddess
		These pesky equinoxes crop up again and again because of the obliquity of the ecliptic, which is the 23 degree 27 minute angle that the plane of the ecliptic makes to the plane of the equator.
		The zodiacal ages gain their significance because the vernal equinox point travels along the ecliptic, which is the center of the band of constellations referred to as the zodiac.
		The vernal equinox marks a point on the ecliptic considered to be an indicator of a zodiacal age, while the North Celestial Pole points to the a star in the northern sky considered to be an indicator of the polar age.
	www.aquarian-age.net /goddess_print.html (3602 words)

	Info: (gcal) Glossary
		"Local star time" "Local sidereal time" The momentary period which is past between the last upper culmination of the vernal equinox point in the meridian of the observer's location (the momentary hour angle of the vernal equinox point), thus the right ascension of the stars in the observer's meridian at the moment.
		Because the Sun apparently shifts with respect to the vernal equinox point on the ecliptic due to the Earth's orbit around the Sun, the star day and the true solar day have a different length.
		"Vernal equinox point on the ecliptic" The point where the ascending Sun's orbit intersects the celestial equator.
	www.cims.nyu.edu /cgi-comment/info2html?(gcal)Glossary (3854 words)

	The Vernal Equinox (Site not responding. Last check: 2007-11-03)
		The point at which the ecliptic crosses the celestial equator with the sun heading northward is called the Vernal Equinox.
		The Vernal Equinox was also chosen to serve as the Greenwich of the sky.
		Yes, the Vernal Equinox will again be seen on March 21st for us, but we will have to wait until 2103, the third year after the omitted intercalary day (the term for February 29th) of the year 2100.
	ourworld.compuserve.com /homepages/bmoler/vernaleq.htm (713 words)

	Vernal Equinox History & Cartoon Fun by Brownielocks.
		At this precise moment (known as the equinox) exactly 1/2 of the earth is illuminated by the sun's rays and 1/2 of the earth is in darkness.
		However, because The Procession of the Equinoxes, a phenomenon which refers to the cyclical wobbling in the earth's axis of rotation, the vernal equinox has shifted westward over the centuries.
		The people of Bali celebrate the vernal equinox and their New Year by driving (according to their beliefs) devils out of their villages by elaborate offerings of food, drink and money, and then observing a day of stillness, known as Nyepi.
	www.brownielocks.com /vernalequinox.html (771 words)

	equinox. The Columbia Encyclopedia, Sixth Edition. 2001-05
		The vernal equinox, also known as “the first point of Aries,”; is the point at which the sun appears to cross the celestial equator from south to north.
		The equinoxes are not fixed points on the celestial sphere but move westward along the ecliptic, passing through all the constellations of the zodiac in 26,000 years.
		The vernal equinox is a reference point in the equatorial coordinate system.
	www.bartleby.com /65/eq/equinox.html (228 words)

	DIGIDAY: Star Date (Site not responding. Last check: 2007-11-03)
		Vernal equinox marks the moment when the Sun crosses the celestial equator -- the projection of Earth's equator on the dome of the sky.
		And equinox means "equal nights." Theoretically, on the equinox all points on Earth should see equal amounts of daylight and darkness.
		The point where the Sun crosses the celestial equator on the vernal equinox is designated as zero hours.
	www.visionx.com /dd/main/star19980320.htm (284 words)

	First Point of Aries - Wikipedia, the free encyclopedia
		For astronomical purposes, then, to define an accurate reference frame, one must select a particular epoch, which will fix the First Point of Aries as a definite point in the sky.
		The J2000.0 epoch is in use nowadays for that purpose.
		Earth won't reach longitude 0 until the autumnal equinox, and so the longitude of perihelion is more like 90° (about 103° in fact.) Sidereal clocks agree with conventional clocks at the autumnal equinox instead of the vernal for similar reasons.
	en.wikipedia.org /wiki/First_Point_of_Aries (363 words)

	Palette of Narmer
		The "raising of the eye" or "the raising to sight" obviously refers to the rebirth of the Sun in the East and nature at the spring Equinox: for Osiris' name means "the seat of the eye", and the right eye of the god Horus (his son) was considered to be the sun.
		The opposite point to Sumer is "N'armer", the latter purportedly being the Horus name of the first king of an united Egypt, Menes.
		Thus, more importantly, Narmer can be directly associated with the autumn equinox: a fact that is reinforced in his alternative name of the Scorpion King for, at the autumn equinox, it was the constellation of Scorpio which rose heliacally at dawn at the start of Egyptian civilisation.
	www.alisonmoroney.com /egypt/narmer.html (1379 words)

	THE VERNAL EQUINOX (Site not responding. Last check: 2007-11-03)
		The Spring or Vernal Equinox is a celebration of the rebirth of nature and brings with it the symbols of birth/rebirth.
		According to folklore, the vernal equinox is the one time of the year that eggs can be stood on end.
		It is the point at which the sun crosses the celestial equator from south to north.
	www.serve.com /shea/germusa/vernal.htm (254 words)

	AST 101 - SPRING 1998 - Course Pack (Site not responding. Last check: 2007-11-03)
		The geographical longitude of a point on the Earth's surface is the fraction of a circle that is intercepted on the equator by the prime meridian and the meridian of longitude of the point.
		The vernal equinox is the point where the ecliptic (the sun's annual apparent path) cuts the equator such that a body traveling eastward on the ecliptic would pass from the southern to the Northern Hemisphere of the sky.
		Since the vernal equinox is moving slowly westward through the stars due to precession, the tropical year is slightly shorter than the sidereal year, as shown in Figure 17.
	jabiru.pa.msu.edu /pages/teach/PACK101-98.html (7842 words)

	THE MOON, THE SUN & THE 56 YEAR PANIC CYCLE
		The equinox points move clockwise (retrograde) against the background of fixed stars, while the Moon's nodes also move clockwise around the ecliptic circle in the nutation cycle of 18.6 years.
		The reference point for diurnal circles is speculated to be sited in the eastern sector, near where the horizonal plane is cut by both the ecliptic (solar risings) and the Moon’s orbital plane (lunar risings).
		This would fit in with other reference points for the 56 year cycle, which occur where the ecliptic is cut by the Moons' orbital plane (the lunar nodes) and the celestial equator (the equinox points).
	www.davidmcminn.com /pages/smnum56.htm (4768 words)

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