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Topic: Hypothetical celestial bodies

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Celestial bodies

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		Celestial ephemeris pole: the reference pole for nutation and polar motion: the axis of figure for the mean surface of a model Earth in which the free motion has zero amplitude.
		Thus the mean anomaly is the angle from pericentre of a hypothetical body moving with a constant angular speed that is equal to the mean motion.
		Occultation: the obscuration of one celestial body by another of greater apparent diameter; especially the passage of the Moon in front of a star or planet, or the disappearance of a satellite behind the disk of its primary.
	www.astronomy.gi /glossary.html (6449 words)

	Encyclopedia: Hypothetical planet
		Examples of such hypothetical planets in astronomy or in ancient mythologies include: Astronomy is one of the few sciences where amateurs can still play an active role, especially in the discovery and monitoring of transient phenomena.
		Theia is the name of a hypothetical planet that, according to one theory of the Moons formation, collided with the Earth over four billion years ago.
		Hypothetical Sol System bodies are heavenly bodies that have been suggested as possibly existing (or have been believed to exist), but have never been proven to actually exist, in the Solar System.
	www.nationmaster.com /encyclopedia/Hypothetical-planet (1435 words)

	JAS: Astronomical Glossary (Site not responding. Last check: 2007-11-06)
		Augmentation: the amount by which the apparent semidiameter of a celestial body, as observed from the surface of the Earth, is greater than the semidiameter that would be observed from the center of the Earth.
		Thus the mean anomaly is the angle from pericenter of a hypothetical body moving with a constant angular speed that is equal to the mean motion.
		Latitude (see latitude, celestial) of a point is the angle between the planetary equator (normal to the z-axis and through the center of mass) and normal to the reference surface at the point.
	www.jas.org.jo /glos.html (6496 words)

	Hypothetical planet - Wikipedia, the free encyclopedia
		Hypothetical planets are planets that have been suggested as possibly existing (or have been believed to exist), but have never been proven to actually exist.
		Examples of such hypothetical planets in astronomy or in ancient mythologies include:
		Theia, a hypothetical planet which was destroyed in a collision with Earth according to the giant impact theory
	www.wikipedia.org /wiki/Hypothetical_planet (388 words)

	International Catholic University: 29.7
		We have already encountered one sense of "hypothetical" in the traditional view that mathematical astronomy was hypothetical in that it simply "saved the appearances;" it could not in principle arrive at the truths of heavenly motions.
		Epicycles and eccentrics are geometric devices to describe observed celestial motions and as such were "hypotheses." Geometric entities could not serve as necessary, physical causes of the observed motions of the heavens.
		This is a different understanding of "hypothetical" from that which Aquinas used when he wrote of hypotheses in mathematical astronomy: as devices for saving the appearances they could not be necessarily true since they did not conform to the principles of a true science of nature.
	home.comcast.net /~icuweb/c02907.htm (2972 words)

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		In terms of celestial mechanics, a system of bodies whose motions are governed entirely by gravitational forces and the inertia of masses could not conceivably re-stabilize itself within mere millennia- let alone within the few decades or centuries allowed by the historical record- following disruptions of the kind described in Worlds in Collision.
		According to the physics of electricity, a charged body isolated in a vacuum, which is a dielectric medium, surrounds itself with an electric field that reaches to infinity, with strength diminishing as the square of the distance.
		Inevitably, as the two bodies pursued their separate paths on separate time tables, the stage would be set eventually for a rendezvous at one or another point of orbital contact.
	www.kronia.com /library/journals/electro.txt (5265 words)

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		The circle on the celestial sphere that is 90° from the zenith.
		The angular distance of a point north or south of the equator of a body as measured by a hypothetical observer at the center of a body.
		The angular distance around the equator of a body froma zero point to the place on the equator nearest a particular point as measured by a hypothetical observer at the center of a body.
	highered.mcgraw-hill.com /sites/0072482621/student_view0/chapter1/glossary.html (495 words)

	The Solar System: What is a Planet in Astrology? - by Patrice Guinard
		The most famous of these hypothetical celestial bodies are the trans-Neptunian ones of the Hamburg School, which continue to be used despite the discomfort of Alfred Witte (1878-1941) who could not bring himself to mention Pluto despite the fact that the planet was discovered two years after the publication of his work.
		By taking these hypothetical planets into the astrological repertoire, the astrologer rid himself of any astronomical safeguards, without, however, enriching the semantic range of the planetary keyboard: in effect, the meanings given to these hypothetical bodies remain very close to those associated with the known planets.
		These bodies, by reason of their distance from the circle of the ecliptic, are little used in modern astrology, with the exception of Chiron, hailed by some astrologers as the eleventh planet at the time of its discovery in 1977, then reclassified among the asteroids before being reslotted yet again by astronomers as a comet.
	cura.free.fr /18solsys.html (6521 words)

	A History of Science: in Five Volumes. Volume I: The Beginnings of Science : Arthur's Classic Novels (Site not responding. Last check: 2007-11-06)
		Incidentally, it may be noted that the conception of eternal life for the human body being a more primitive idea than the conception of natural death, the idea of the immortality of the spirit would be the most natural of conceptions.
		The immortal spirit, indeed, would be but a correlative of the immortal body, and the idea which we shall see prevalent among the Egyptians that the soul persists only as long as the body is intact -- the idea upon which the practice of mummifying the dead depended -- finds a ready explanation.
		From omens associated with the heavenly bodies it is but a step to omens based upon other phenomena of nature, and we, shall see in a moment that the Babylonian prophets made free use of their opportunities in this direction also.
	arthurwendover.com /arthurs/science/hstsci110.html (17604 words)

	Hypothetical Planet Encyclopedia Article, History, Biography at Fbgart.com (Site not responding. Last check: 2007-11-06)
		Looking For hypothetical planet - Find hypothetical planet and more at Lycos Search.
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	www.fbgart.com /search/encyclopedia/Hypothetical_planet (500 words)

	Hypothetical Planets
		The 1900 longitudes of those hypothetical bodies were 274 and 343 degrees, both with the very large uncertainty of 180 degrees.
		This would mean that once every 30 million years that hypothetical companion star of the Sun would pass through the Oort cloud (a hypothetical cloud of proto-comets at a great distance from the Sun).
		This hypothetical "death companion" of the Sun was suggested in 1985 by Daniel P. Whitmire and John J. Matese, Univ of Southern Louisiana.
	www.nineplanets.org /hypo.html (9089 words)

	Hypothetical Planets (Site not responding. Last check: 2007-11-06)
		During a lecture on January 2, 1860, he announced that the solution to Mercury's deviations could be explained by assuming the existence of an intra-Mercurial planet, or possibly a second asteroid belt, inside Mercury's orbit.
		The 1900 longitudes of those hypothetical bodies were 274° and 343°, both with the very large uncertainty of 180°.
		This hypothetical "death companion" of the Sun was suggested in 1985 by Daniel P. Whitmire and John J. Matese of the University of Southern Lousiana.
	www.if.ufrgs.br /ast/solar/eng/hypothet.htm (8711 words)

	Vision - Evolution: Science's Center of the Universe (Site not responding. Last check: 2007-11-06)
		This belief was based on Aristotle’s principles, which had been further developed by second-century astronomer Claudius Ptolemy, and maintained that the celestial bodies (sun, moon, planets and stars) revolved around the earth.
		It also included the idea that celestial bodies were free from any imperfection and couldn’t be changed.
		Though they produced explanations that seemed to account for the observed motions of celestial bodies, their explanations were a waste of time and effort because they were based on an invalid premise.
	www.vision.org /jrnl/0201/evolution.html (2985 words)

	chapter 15
		Hence, a reasonable model is that of a rotating magnetized central body surrounded by a network of prominence-like structures joining the surface of the central body with a surrounding plasma.
		(1) In the environment of a central body, a large number of grains should be produced which move in Kepler orbits in the same sense as the spin of the central body.
		Thus, regardless of the fact that the spin axis of Uranus is tilted 97°, all its satellites lie in the equatorial plane of the planet, not in the ecliptic plane.
	history.nasa.gov /SP-345/ch15.htm (6096 words)

	Hypothetical Planets (Site not responding. Last check: 2007-11-06)
		However, in 1956 his compatriot and colleague, Wilkowski, suggested that there might be many tiny bodies too small to be seen individually but numerous enough to appear as a cloud of dust particles.
		In 1901, Gabriel Dallet deduced a hypothetical planet at 47 AU with a magnitude of 9.5-10.5 and a 1900 longitude of 358°.
		From 1908 to 1932, Pickering proposed seven hypothetical planets - O, P, Q, R, S, T and U. His final elements for O and P define completely different bodies than the orginal ones, so the total can be set at nine, certainly the record for planetary prognostication.
	www.planetscapes.com /solar/eng/hypothet.htm (8723 words)

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		] An ocean water model which assumes instantaneous response of water bodies to the tide-producing forces of the moon and sun to form an equilibrium surface, and disregards the effects due to friction, inertia, and irregular distribution of land masses.
		] The hypothetical tide due to the tide-producing forces of celestial bodies, particularly the sun and moon.
		Either of the two points of intersection of the ecliptic and the celestial equator, occupied by the sun when its declination is 0°.
	www.accessscience.com /Dictionary/E/E17/DictE17.html (2198 words)

	Hypothetical planet - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-06)
		Nibiru/Marduk and Tiamet, two planets from Sumerian mythology which supposedly collided to form Earth (a theory which most scientists find dubious)
		Hypothetical celestial bodies - hypothetical extrasolar celestial bodies
		This page was last modified 23:31, 26 Aug 2004.
	www.encyclopedia-online.info /Hypothetical_planet (322 words)

	English Dictionary and Thesaurus - Synset.com (Site not responding. Last check: 2007-11-06)
		the branch of physics that studies celestial bodies and the universe as a whole
		(astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun);
		(astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the celestial sphere;
	www.synset.com /sense/n_cognition/a/astronomy_uranology_32201.html (1070 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		The progress in computing results in the possibility to compute numerically the orbit of a single celestial object in almost all problems, even when there are close approaches and in other highly unstable cases.
		Now the goal is to study the dynamical behaviour of entire populations of celestial bodies, either real (observed) or only hypothetical (simulated).
		A large populations of artificial celestial bodies in geocentric orbit has been created by the space age.
	www.aob.bg.ac.yu /IAUCol197/sci_ratio.html (994 words)

	Introduction and FAQ
		To visit the next body in an ordered traversal of the solar system choose the link immediately to the right of the name of the current page.
		A: No. It is remotely possible that there might be a body out there beyond Pluto that is large enough to be called a planet but we have no evidence for such a thing nor any reason to suspect one might be there.
		But on a smaller body, like some of the smaller moons and asteroids, the force of gravity is much weaker and so rock can support relatively large "mountains".
	www.nineplanets.org /intro.html (2307 words)

	Astro 211 / Project: Frames Of Reference
		Using the planetary positions relative to the sun generated in the previous diagram, construct a second diagram showing the positions of Venus, the sun, Mars, and Jupiter relative to the earth shown fixed at the center of this geostatic diagram.
		() This diagram is of special interest to earthbound observers who necessarily see the motion of celestial* bodies relative to the background of stars as viewed from the earth.
		Compare the motion indicated in this second diagram to the observed motion of planets that would have been represented in a diagram made by Ptolemy based on a simplified epicyclic, geocentric model; that is, one using epicycles only, with no equants or eccentrics.
	www.astro.washington.edu /archive/astro211_Wi2001/framesofreference.html (821 words)

	Hypothetical planet -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		Hypothetical planets are (Any of the celestial bodies (other than comets or satellites) that revolve around the sun in the solar system) planets that have been suggested as possibly existing (or have been believed to exist), but have never been proven to actually exist.
		Examples of such hypothetical planets in (The branch of physics that studies celestial bodies and the universe as a whole) astronomy or in ancient (Click link for more info and facts about mythologies) mythologies include:
		((Greek mythology) the Titaness who was mother of Helios and Selene and Eos in ancient mythology) Theia, a hypothetical planet which was destroyed in a collision with Earth according to the (Click link for more info and facts about giant impact theory) giant impact theory
	www.absoluteastronomy.com /encyclopedia/H/Hy/Hypothetical_planet.htm (642 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		The most holy object is a celestial stone, perhaps a meteorite, which it is said was brought by an angel to Abraham.
		The Mars position in the hypothetical Recitation chart for 26 April 610 may be close since at the Crusaders victory, Uranus was at 11 Taurus, the same degree as the Recitation's viral Mars/Sun conjunction square idealistic Neptune.
		Thus whenever any two lines representing planets or asteroids intersect, either a conjunction is formed between the two bodies, or a stressful aspects measured in multiples of 45 degrees, thus semisquares (45 degrees), squares (90), sesquiquadrates (135) or oppositions (180 degrees apart).
	www.asteroids.com /islam.htm (12585 words)

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		Rather, the warpage of spacetime inside a fl hole must be so severe that it is not possible for light to travel in any direction other than inward.
		Michell also devised the only means we have of detecting a fl hole "yet, if any other luminous bodies should happen to revolve about them we might...from the motion of these revolving bodies infer the existence of the central ones." The world was not ready for these ideas in the 18th century.
		Figure 6: Cutaway schematic of a hypothetical neutron star showing its crust of ordinary iron (and other neighboring elements), the "quantum liquid" of nuclear matter (mostly neutrons) and, at the center, a region occupied by a mixture of nuclear matter and quark matter and (not shown) near the very center, pure quark matter.
	www-nsdth.lbl.gov /~nkg/science_sp.html (5253 words)

	UFO Area Is Our Earth Hollow? - A Hypothetical Dissertation (part 8)
		I simply do not believe it is necessary to step outside currently-accepted and proven physical laws to demonstrate why the Earth, its sister-planets, and most celestial bodies could be hollow.
		This appears to be a universal law which mysteriously comes into play as a celestial body accretes matter to a certain critical mass and reaches a corresponding compressive heat from the increasing friction between and within the accreted particles of its shell.
		It seems to be simply an immutable law of the universe, which starts with the humble atom, and ends with the universe itself, that all such bodies of matter must rotate and orbit.
	www.ufoarea.com /hollow_earth_forster8.html (2914 words)

	Learn more about Celestial body in the online encyclopedia. (Site not responding. Last check: 2007-11-06)
		Learn more about Celestial body in the online encyclopedia.
		Hint: Play with putting spaces before and after your words to see the different results you get.
		Celestial body is a term describing astronomical objects such as stars and planets.
	www.onlineencyclopedia.org /c/ce/celestial_body.html (112 words)

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