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Topic: Scattered disc object

	Scattered Disc
		Scattered disc objects are believed to have been originally native to the Kuiper belt, but were ejected into erratic orbits in the outer fringes by the gravitational influence of Neptune's outward migration (see Formation and evolution of the Solar System).
		Most scattered disc objects have perihelia within the Kuiper belt but aphelia as far as 150 AU from the Sun.
		Some astronomers, such as Kuiper belt co-discoverer David Jewitt, consider the scattered disc to be merely another region of the Kuiper belt, and describe scattered disc objects as "scattered Kuiper belt objects."[36] Centaurs, which roughly extend from 9 to 30 AU, are icy comet-like bodies that orbit in the region between Jupiter and Neptune.
	www.solar-system.name /solar-system/scattered-disc.html (159 words)

	Encyclopedia :: encyclopedia : Solar system (Site not responding. Last check: )
		Scattered disc objects are believed to have been originally native to the Kuiper belt, but were ejected into erratic orbits in the outer fringes.
		Sedna, the newly discovered Pluto-like object with a gigantic, highly elliptical 10,500-year orbit that takes it from about 76 to 928 AU, has too distant a perihelion to be a scattered member of the Kuiper Belt and could be the first in an entirely new population.
		The Earth was considered stationary, and the motion of objects in the sky was therefore taken at face value: the sun was thought to orbit the Earth, for example (This conception of the universe, in which the Earth is at the center, is called the Geocentric model; geos means "Earth" in Greek).
	www.hallencyclopedia.com /Solar_system (4381 words)

	Scattered disc - Facts, Information, and Encyclopedia Reference article
		The scattered disc (or scattered disk) is a distant region of our solar system, thinly populated by icy planetoids known as scattered disk objects (SDOs), a subset of the broader family of trans-Neptunian objects (TNOs).
		The scattered disk is still fairly poorly understood, although prevailing astronomical opinion suggests it was formed when Kuiper belt objects (KBOs) were "scattered" by gravitational interactions with the outer planets, principally Neptune, into highly-eccentric and -inclined orbits.
		Orbital simulations show SDO orbits may well be erratic and unstable and that the ultimate fate of these objects is to be permanently ejected from the core of the solar system into the Oort cloud or beyond.
	www.startsurfing.com /encyclopedia/s/c/a/Scattered_disc.html (387 words)

	Solar system - Wikipedia, the free encyclopedia
		Scattered disc objects are believed to have been originally native to the Kuiper belt, but were ejected into erratic orbits in the outer fringes by the gravitational influence of Neptune's migration (see Formation of the solar system).
		One particular scattered disc object, originally found in 2003 but confirmed two years later by Mike Brown (Caltech), David Rabinowitz (Yale University), and Chad Trujillo (Gemini Observatory), has renewed the old debate about what constitutes a planet since it is at least 5% larger than Pluto with an estimated diameter of 2400 km (1500 mi).
		Mike Brown, who discovered the object in 2003, asserts that it cannot be part of the scattered disc or the Kuiper Belt as it has too distant a perihelion to have been affected by Neptune's migration.
	en.wikipedia.org /wiki/Solar_system (5211 words)

	Articles - Trans-Neptunian object (Site not responding. Last check: )
		Objects in orbital resonance with Neptune are plotted in red: (plutinos, twotinos and a number of smaller families).
		Scattered disk objects show colour resemblances with hot classical objects pointing to a common origin.
		The intensity of light illuminating the object is known (from its distance to the Sun), and one assumes that most of its surface is in thermal equilibrium (usually not a bad assumption for an airless body).
	www.zdiamond.net /articles/Trans-Neptunian_object (1595 words)

	Solar_system
		Traditionally, this is said to consist of the Sun, nine planets and their 158 currently known moons; however, a large number of other objects, including asteroids, meteoroids, planetoids, comets, and interplanetary dust, orbit the Sun as well.
		Asteroids are objects smaller than planets that mostly occupy the orbit between Mars and Jupiter, between 2.3 and 3.3 AU from the Sun, and are composed in significant part of non-volatile minerals.
		Though there are estimated to be over 70,000 Kuiper belt objects with a diameter greater than 100 km, the total mass of the Kuiper belt is relatively low, perhaps equalling or just exceeding the mass of the Earth.
	www.brainyencyclopedia.com /encyclopedia/s/so/solar_system.html (5361 words)

	. : Astronomical Terms — The Astrogirl Homepage© : .
		An object thought to be the result of a massive star’s implosion in which its gravity has become so dense and strong that it prevents light from escaping.
		When one celestial object is partly or intermittently hidden as it appears to move along the uneven edge of a closer object, usually the Moon.
		Used together with declination, it is one of the coordinates used to reference celestial objects and is equivalent to a longitude reference on the Earth.
	home.pcisys.net /~astrogirl/astro1.php (2289 words)

	Disk (Site not responding. Last check: )
		In biology, an intervertebral disc is a cartilaginous joint between vertebrae in the spine of vertebrate animals.
		In astrophysics, an accretion disc or disk is a structure formed by material falling into a gravitational source.
		In the 19th century, disc became the conventional spelling for audio recordings made on a flat plate, such as the gramophone record; this usage gave rise to the modern term disc jockey.
	www.freedownloadsoft.com /info/disk.html (399 words)

	Coma aberration
		Coma aberration coefficient c for either refractive or reflective surface, for object at infinity, and aperture stop at the surface is given by:
		This applies for objects at infinity; for objects close enough that the mirror object-image magnification m significantly differs from zero, the change factor in the coma coefficient caused by aperture stop displacement is obtained by replacing both unit figures in the "infinity" object distance factor
		Considering that the magnification m is negative, coma diminishes with object distance, dropping to zero for m=-1 (for object at the mirror center of curvature) and stop at the surface, regardless of the conic.
	www.telescope-optics.net /coma.htm (1455 words)

	UFO and Alien Sightings Archive 2007
		Jolanta Z. [53], triangular objects scattered in the sky remained in her view for over an hour, slowly rising up and finally disappearing.
		The report was submitted to the Mutual UFO Network the witness apparently took a photograph the objects but has not submitted it yet if the photograph is posted i will post it on this website.
		The object was witnessed completely stationary for around 30 minutes after this time it then began to move up the street.
	www.alienationsam.com /sightings_archive/page2/2007.html (1174 words)

	List Of Centaurs and Scattered-Disk Objects
		This list is updated daily, except for the few days surrounding the preparation of each batch of MPCs.
		It is also updated as and when new objects are discovered.
		This list was last updated on 2007 Nov. 10.
	cfa-www.harvard.edu /iau/lists/Centaurs.html (59 words)

	Solar System
		The solar system is comprised of our Sun and the retinue of celestial objects gravitationally bound to it.
		Traditionally, it is largely said to consist of the Sun, nine planets and their 158 (at last count) moons; however a large number of other objects, including asteroids, meteoroids, planetoids, comets, and space dust, orbit the Sun as well.
		One particular scattered disc object, originally found in 2003 but confirmed two years later by Mike Brown, has renewed the old debate about what constitutes a planet since, though its size is not yet known, it is almost certainly larger than Pluto.
	systems.essential-facts.com /Solar_System.html (8070 words)

	What is a scattered disc object? \| Answerbag.com
		The disc tray on my PS2 will not close - it's stops halfway.
		A scattered disk object (or scattered disc object or SDO) is a trans-Neptunian object of the Kuiper belt with a very eccentric orbit.
		An SDO's distance to the Sun varies enormously and can reach billions of kilometres.
	www.answerbag.com /q_view/31435 (234 words)

	Roswell Proof -- Ramey Memo
		on the fifth line. Ramey is clearly describing the crash object as a
		division, most likely the head flight surgeon at Fort Worth given the context. Wright Field, Ohio, home of the AAF's aeronautical labs, was to assess the Roswell crash object (possibly referred to as an
		Finally Ramey outlines how the situation was being treated publicly and how they were going to cover it up. First he assures Vandenberg that the earlier highly inflammatory Roswell base press release (referred to as the
	www.roswellproof.homestead.com (2082 words)

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