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Topic: Kuiper belt

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	Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt Kuiper Belt
		This ring is generally referred to as the Kuiper Belt.
		The Kuiper Belt holds significance for the study of the planetary system on at least two levels.
		Second, it is widely believed that the Kuiper Belt is the source of the short-period comets.
	www.ifa.hawaii.edu /faculty/jewitt/kb-nonframe.html (0 words)

	Kuiper Belt - MSN Encarta
		The small icy bodies in the Kuiper Belt sometimes turn into visible comets when their orbits are disturbed to bring them into the inner solar system.
		The Kuiper Belt is considered the likely source of short-period comets, which orbit the Sun in the main plane of the solar system in periods shorter than 200 years.
		Kuiper and other astronomers expected that a debris belt, similar to the asteroid belt of rocky material that orbits the Sun between Mars and Jupiter but composed of icy material, might lie beyond Neptune.
	encarta.msn.com /encyclopedia_701509040/Kuiper_Belt.html (1787 words)

	Kuiper belt - Wikipedia, the free encyclopedia
		The Kuiper belt (pronounced /ˈkaɪpɚ/) is an area of the solar system extending from the orbit of Neptune (at 30 AU) to 50 AU from the Sun.
		The present Kuiper Belt members are thought to have largely formed in situ at their present position, although a significant fraction may have originated in the vicinity of Jupiter, and been ejected by it to the far regions of the Solar system.
		Initially, the Kuiper belt was thought to be a flat belt (populated by objects on moderately eccentric, low-inclination orbits), as opposed to high inclination orbits of the "scattered" disk objects.
	en.wikipedia.org /wiki/Kuiper_belt (1987 words)

	MSN Encarta - Kuiper Belt
		Kuiper Belt (pronounced KY-per), a collection of frozen objects extending from just beyond the orbit of the planet Neptune to well beyond the orbit of the planet Pluto.
		Kuiper and other astronomers expected that a debris belt, similar to the asteroid belt of rocky material that orbits the Sun between Mars and Jupiter but composed of icy material, might lie beyond Neptune.
		Today astronomers recognize the Kuiper Belt as the third major region of the solar system (the other two regions are the inner solar system, with its small rocky planets, and the outer solar system, with its gas-giant planets).
	ca.encarta.msn.com /encyclopedia_701509040/Kuiper_Belt.html (1411 words)

	The Astrophysics Spectator: Kuiper Belt Objects
		The Kuiper belt is a region between about 30 AU and 50 AU—just outside of the orbit of Neptune (30 AU)—that contains numerous small planetoids composed of ice and rock.
		The theory for the classical Kuiper belt objects is that they began life in orbits with low eccentricities and inclinations, but that with time, collisions among themselves changed their inclinations and eccentricities.
		The 3:2 resonance corresponds to a semi-major axis of 39.4 AU (this relationship between orbital period and semi-major axis is a consequence of one of Kepler's laws of planetary motion).
	www.astrophysicsspectator.com /topics/planets/KuiperBelt.html (1059 words)

	Kuiper Belt Objects
		Kuiper's hypothesis was reinforced in the early 1980s when computer simulations of the solar system's formation predicted that a disk of debris should naturally form around the edge of the solar system.
		The Kuiper belt remained theory until the 1992 detection of a 150-mile wide body, called 1992QB1 at the distance of the suspected belt.
		The Orbit of 1998 WW31 in the Kuiper Belt
	www.solarviews.com /eng/kuiper.htm (0 words)

	Kuiper belt Summary
		The Kuiper belt (pronounced /ˈkaɪpɚ/) is an area of the solar system extending from the orbit of Neptune (at 30 AU) to 50 AU from the Sun.
		The present Kuiper Belt members are thought to have largely formed in their present position, although a significant fraction may have originated in the vicinity of Jupiter, and been ejected by it to the far regions of the Solar system.
		Initially, the Kuiper belt was thought to be a flat belt (populated by objects on moderately eccentric, low-inclination orbits), as opposed to high inclination orbits of the "scattered" disk objects.
	www.bookrags.com /Kuiper_belt (2707 words)

	Astronomy & Space
		The Kuiper Belt is a disk-shaped region of the Solar System beyond Neptune, 30 to 100 AU away from the Sun.
		Comets, the Kuiper Belt, and the Oort Cloud In 1950 Jan Oort noticed that 1.no comet has been observed with an orbit that indicates that it came from interstellar space, 2.there is a strong tendency for aphelia of long period comet orbits to lie at.
		The Kuiper Belt The Kuiper Belt is a region of space along the ecliptic outside the orbit of Neptune.
	groups.msn.com /AstronomySpace/kuiperbeltoortcloud.msnw (826 words)

	Kuiper Belt
		Astronomers have a theory that the solar system formed from a primordial disk of gas.The Kuiper belt is made up of all the material left over from this gas after the solar system formed.
		Out of 32 Kuiper belt objects (and Pluto itself), there are 13 plutinos so discovered so far.
		Plutinos are Kuiper belt objects in a 3:2 resonance (orbit) with Neptune.
	www.the-planet-pluto.com /kuiper-belt.html (0 words)

	ORRERY: Kuiper Belt Objects (KBOs)
		Beyond the orbits of Neptune and Pluto lie a large number of small, icy bodies, making up what is known as the Kuiper Belt (pronounced Ki-per).
		The Kuiper Belt is named after the famous Dutch astronomer, Gerald Kuiper [1905-73], who was a pioneer in solar system research using spacecraft.
		Kuiper argued that a gas and dust cloud collapsed under gravity, forming the Sun and planets separately.
	www.harmsy.freeuk.com /kuiper.html (388 words)

	Kuiper Belt (Site not responding. Last check: )
		The Kuiper belt is the likely repository of the Solar System's most primitive materials and hence the best analogue to primitive planetary material.
		Surface temperatures in the belt are low (50 K), suggesting that ices trapped at its formation should have been preserved over the age of the Solar System.
		Most Kuiper belt objects are too faint for meaningful compositional study, even with the largest currently available telescopes.
	www.chem.hawaii.edu /Bil301/kuiperbelt.html (220 words)

	Current Science Highlights: Kuiper Belt Object Survey
		Kuiper Belt Objects are also fascinating because they orbit in the outer solar system, extending from Neptune to...
		Lowell Observatory on Mars Hill in Flagstaff, Arizona, is one of several institutions seeking to survey and map the Kuiper Belt's inhabitants.
		It is hoped that the Kuiper Belt is analogous to the planet forming circumstellar dust disks seen around other stars, which are also probably the remnants of solar system formation.
	www.noao.edu /outreach/current/kbohilite.html (1374 words)

	Kuiper-Oort
		The Kuiper Belt is a disk-shaped region past the orbit of Neptune extending roughly from 30 to 50 AU from the Sun containing many small icy bodies.
		Occasionally the orbit of a Kuiper Belt object will be disturbed by the interactions of the giant planets in such a way as to cause the object to cross the orbit of Neptune.
		It is estimated that there are at least 35,000 Kuiper Belt objects greater than 100 km in diameter, which is several hundred times the number (and mass) of similar sized objects in the main asteroid belt.
	www.seds.org /nineplanets/nineplanets/kboc.html (0 words)

	Kuiper-Oort
		The Kuiper Belt is a disk-shaped region past the orbit of Neptune extending roughly from 30 to 50 AU from the Sun containing many small icy bodies.
		Occasionally the orbit of a Kuiper Belt object will be disturbed by the interactions of the giant planets in such a way as to cause the object to cross the orbit of Neptune.
		It is estimated that there are at least 35,000 Kuiper Belt objects greater than 100 km in diameter, which is several hundred times the number (and mass) of similar sized objects in the main asteroid belt.
	www.nineplanets.org /kboc.html (894 words)

	Types of Trans-Neptunian Objects - Explore the Cosmos \| The Planetary Society
		Within the gravitational influence of Neptune are the Kuiper belt objects, which have near-circular orbits that lie close to the plane of the solar system.
		The 50-AU boundary is referred to as the “Kuiper cliff.” Whether the Kuiper cliff represents the outer boundary of the original planetary nebula, or whether it is merely the inner edge of a large “Kuiper gap” extending at least to 70 or 80 AU, is not known.
		Their closest approach to the Sun may be within the distance of the Kuiper belt, but they may travel far beyond the Kuiper belt as they travel outward.
	www.planetary.org /explore/topics/trans_neptunian_objects/facts.html (931 words)

	Comets' kuiper belt
		he Kuiper Belt is named after Gerard Kuiper who suggested in 1951 that some comets, which pass by the sun periodically (short-period comets), and approach the Sun from within the same plane as that of the other planets, may originate in a region closer to the solar system than the Oort Cloud is.
		his ring is generally referred to as the Kuiper Belt and it is believed to be a reservoir of source of the short-period comets, in the same way that the Oort Cloud acts as a reservoir for the long-period comets.
		First, it is likely that the Kuiper Belt objects are extremely primitive remnants from the early accretional phases of the solar system.
	spaceguard.rm.iasf.cnr.it /NScience/neo/neo-what/com-kuiper.htm (564 words)

	The Kuiper Belt
		The Kuiper belt may have formed when the gravity of the young Jupiter sent the Kuiper belt objects out to where they are now.
		The next largest known Kuiper belt objects are Orcus, which is about 1600 km (1,000 miles) across, 2003 EL61 at 70% the size of Pluto and 2005 FY9 at 50% to 70% of Pluto's size.
		After the first object in the belt was spotted from the Mauna Kea Observatory in Hawaii, the belt was named after the astronomer Gerard Kuiper, who, in 1951, wrote that he thought it had existed very long ago.
	www.edinformatics.com /math_science/solar_system/kuiper_belt.htm (492 words)

	The Kuiper Belt
		The Kuiper Belt is a long-surmised and recently (1992) confirmed outer asteroid belt of rock and ice objects orbiting beyond Neptune.
		In the asteroid belt, similarly, there are gaps where Jupiter would have 2, 5/2, or 3 times the asteroid's period but a cluster of asteroids where Jupiter has 3/2 the asteroid's period.
		Kuiper Belt objects with periods close to Pluto's have been dubbed "Plutinos".
	www.uwgb.edu /dutchs/planets/kuiperb.htm (362 words)

	Edge of the Solar System
		Kuiper proposed that there exists a large belt of comets approximately 30-50 A.U. from the Sun (starting near Pluto's orbit).
		Modern views of the Kuiper Belt hold that it is the source of short-period comets, and that they are nudged from their normally stable orbits by the outer solar system's planets, collisions with each other, or by passing stars.
		The first direct evidence that the Kuiper Belt exists was the discovery of the first Kuiper Belt Object (KBO).
	filer.case.edu /~sjr16/solarsystem_edge.html (1104 words)

	2003 UB313 - Wikipedia, the free encyclopedia
		Inner belt objects are expected to be generally more massive than outer belt objects, and so astronomers expect to discover more large objects like 2003 UB in high-inclination orbits.
		Methane is very volatile and its presence shows either that 2003 UB has always resided in the distant reaches of the solar system where it is cold enough for methane ice to persist, or that it has an internal source of methane to replenish gas that escapes from its atmosphere.
		Astronomers now know that three of the four brightest Kuiper belt objects have satellites, while among the fainter members of the belt only about 10% are known to have satellites.
	en.wikipedia.org /wiki/2003_UB313 (3705 words)

	ipedia.com: Kuiper belt Article (Site not responding. Last check: )
		The Kuiper belt is an area of the solar system extending from within the orbit of Neptune to 50 AU from the sun, at inclinations consistent with the ecliptic.
		The Kuiper belt is an area of the solar system extending from within the orbit of Neptune (at 30 AU) to 50 AU from the sun, at inclinations consistent with the ecliptic.
		However, while some astronomers claim that Sedna is part of the Kuiper belt and that the current outer limit of the belt should be revised, most say that Sedna is too far out for the Kuiper belt and may actually be an inner Oort cloud object.
	www.ipedia.com /kuiper_belt.html (763 words)

	Kuiper Belt - Zeljko Lipanovic
		The Kuiper belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies.
		It is likely that the Kuiper Belt objects are extremely primitive remnants from the early accretional phases of the Solar System.
		It is widely believed that the Kuiper belt is the source of the short period comets.
	www.geocities.com /zlipanov/kuiper_belt/kuiper_belt.html (429 words)

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