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Topic: Dione moon

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	Saturn's Moon Dione
		This suggests that during the period of heavy bombardment, Dione was tidally locked to Saturn in the opposite orientation.
		The cratered and cracked disk of Saturn's moon Dione looms ahead in this mosaic of images taken by Cassini on Oct.11, 2005, as it neared its close encounter with the icy moon.
		The cratered and cracked disk of Saturn's moon Dione looms ahead in this mosaic of images taken by Cassini on Oct. 11, 2005, as it neared its close encounter with the icy moon.
	www.solarviews.com /eng/dione.htm (1965 words)

	Dione (moon) - Wikipedia, the free encyclopedia
		Dione is composed primarily of water ice, but as the densest of Saturn's moons (aside from Titan, whose density is increased by gravitational compression) it must have a considerable fraction of denser material like silicate rock in its interior.
		This suggests that during the period of heavy bombardment, Dione was tidally locked to Saturn in the opposite orientation.
		Like Callisto, Dione's craters lack the high relief features seen on the Moon and Mercury; this is probably due to slumping of the weak icy crust over geologic time.
	en.wikipedia.org /wiki/Dione_(moon) (710 words)

	Dione (moon)
		Dione is a moon of Saturn discovered by Giovanni Cassini in 1684.
		It is composed primarily of water ice, but as the densest of Saturn's moons (aside from Titan, whose density is increased by gravitational compression) it must have a considerable fraction of denser material like silicate rock in its interior.
		On the trailing hemisphere of Dione there is a network of bright streaks on a dark background and few visible craters.
	www.ebroadcast.com.au /lookup/encyclopedia/di/Dione_(moon).html (528 words)

	Dione - Search Results - MSN Encarta
		Dione (dye-oe'-nee,, Greek Διώνη) is a moon of Saturn discovered by Giovanni Cassini in 1684.
		Dione may refer to, * Dione (mythology), in Greek mythology, Titan and the mother of Aphrodite by Zeus * Dione (moon), moon of Saturn * 106 Dione, asteroid * Dione (chemistry), a molecule with two...
		Dione ("dy OH nee") is the twelfth of Saturn 's known satellites: orbit : 377,400 km from Saturn diameter : 1120 km mass : 1.05e21 kg
	encarta.msn.com /encnet/refpages/search.aspx?q=Dione (206 words)

	Dione (moon) - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-16)
		Until the Cassini probe flyby of December 13, 2004, the origin of the bright wispy material was obscure, in part because the only photographs of it had been taken from a great distance.
		The Cassini orbiter is due to perform a closer flyby of Dione (500 km) on October 11, 2005.
		Dione's icy surface includes heavily cratered terrain, moderately cratered plains, lightly cratered plains, and streaks of wispy material.
	encyclopedia.worldsearch.com /dione_(moon).htm (660 words)

	Dione (moon) (Site not responding. Last check: 2007-10-16)
		On the trailing hemisphere of Dione there is a network of bright streaks on a dark background and few visible crater s.
		The Moon Outlines some of the theories of how the Earth and Moon split, along with Apollo expeditions of space journeys to the moon.
		The Moon - Zoom Astronomy The moon, lunar phases, tides, lunar exploration, activities.
	www.serebella.com /encyclopedia/article-Dione_(moon).html (788 words)

	Dione (moon) (Site not responding. Last check: 2007-10-16)
		The name "Dione" and the names of seven satellites of Saturn then known were by John Herschel in his 1847 publication Results of Astronomical Observations made at the of Good Hope.
		The Cassini orbiter is due to perform a of Dione on October 10 2005.
		Dione is composed primarily of water ice as the densest of Saturn's moons (aside Titan whose density is increased by gravitational it must have a considerable fraction of material like silicate rock in its interior.
	www.freeglossary.com /Dione_%28moon%29 (757 words)

	News \| Gainesville.com \| The Gainesville Sun \| Gainesville, Fla. (Site not responding. Last check: 2007-10-16)
		Dione is composed primarily of water ice, but as the third densest of Saturn's moons (aside from Enceladus and Titan, whose density is increased by gravitational compression) it must have a considerable fraction (~ 46%) of denser material like silicate rock in its interior.
		One hypothesis was that shortly after its formation Dione was geologically active, and some process such as ice volcanism resurfaced much of its surface, with the streaks forming from eruptions along cracks in Dione's surface that fell back to the surface as snow or ash.
		Like Callisto, Dione's craters lack the high relief features seen on the Moon and Mercury; this is probably due to slumping of the weak icy crust over geologic time.
	www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Dione_(moon) (875 words)

	Astronomy For Kids -The Moons of Saturn - KidsAstronomy.com
		This moon was named after the god of woods, fields, and flocks, having a human body and head, and a goat's legs, horns, and ears.
		It is the third closest moon to the surface of Saturn.
		Dione is the densest, or heaviest of Saturn's moons.
	www.kidsastronomy.com /saturn/moons.htm (1190 words)

	Dione - Wikipedia, the free encyclopedia
		In Greek mythology, Dione ("divine queen"), in three syllables, was the mother of Aphrodite by Zeus.
		Dione (pronounced in two syllables) is a term used in organic chemistry for a molecule with two ketone functional groups.
		Dione is the name of a Dutch Hardcore DJ.
	en.wikipedia.org /wiki/Dione (149 words)

	Dione (moon)
		Dione's leading hemisphere is heavily cratered and is uniformly bright.
		One theory was that shortly after its formation Dione was geologically active, and some process such as ice volcanism resurfaced much of its surface, with the streaks forming from eruptions along cracks in Dione's surface that fell back to the surface as snow or ash.
		Dione's icy surface includes heavily cratered terrain, moderately cratered plains, lightly cratered plains, and areas of tectonic fractures.
	www.mlahanas.de /Greeks/Astro/Dione.html (720 words)

	Dione
		In Greek mythology Dione was the mother of Aphrodite (Venus) by Zeus (Jupiter).
		Dione is the densest of Saturn's moons (aside from Titan, whose density is increased by gravitational compression).
		Helene is in Dione's leading Lagrange point and hence was sometimes referred to as "Dione B".
	www.seds.org /nineplanets/nineplanets/dione.html (410 words)

	Dione (moon) - Education - Information - Educational Resources - Encyclopedia - Music
		Dione ("dye OH nee") is a moon of Saturn discovered by Giovanni Cassini in 1684.
		The Cassini orbiter is due to perform a flyby of Dione on October 10, 2005.
		Dione is composed primarily of water ice, but as the densest of Saturn's moons (aside from Titan, whose density is increased by gravitational compression) it must have a considerable fraction of denser material like silicate rock in its interior.
	www.music.us /education/D/Dione-(moon).htm (781 words)

	The Moons of Saturn
		Saturn's other moons have icy surfaces that are very cold so that ice is as rigid as rock and craters form from meteor impacts.
		Dione, which is heavily cratered with ray structures associated with some craters.
		In various instances now we know that ring structures in the Jovian planets are stabilized by small "shepherd moons" that orbit in or near the rings and stabilize them by their gravitational influences.
	csep10.phys.utk.edu /astr161/lect/saturn/moons.html (832 words)

	wiki/Dione (moon) Definition / wiki/Dione (moon) Research (Site not responding. Last check: 2007-10-16)
		InclinationInclination is one of the six orbital parameters describing the shape and orientation of a celestial orbit and is the angular distance of the orbital plane from the plane of reference (usually planet's equator or the ecliptic), stated in degrees....
		Dione is composed primarily of water ice, but as the densest of Saturn's moons (aside from Titan, whose density is increased by gravitational compression) it must have a considerable fraction of denser material like silicateIn chemistry, a silicate is a compound consisting of silicon and oxygen (SixOy), one or more metals, and possibly hydrogen.
		In the case of the moon, this period is just over 4 weeks, and no matter where you are on the earth you always see the same face of the moon.
	www.elresearch.com /wiki/Dione_(moon) (1895 words)

	BBC - Science & Nature - Space - Dione
		Dione is a moon orbiting the planet Saturn, about a third as large as Earth's Moon.
		The surface of this moon is mainly water ice, with traces of silicate rocks.
		Dione was a giantess and the mother of Aphrodite.
	www.bbc.co.uk /science/space/solarsystem/saturn/dione.shtml (305 words)

	Dione (Site not responding. Last check: 2007-10-16)
		DIONE was one of the early birds in the Goddess stakes.
		Dione's icy surface is scarred by craters and sliced up by multiple generations of geologically-young bright fractures.
		The bright features on the moon's eastern limb are part of the fracture system seen at higher resolution in Cassini's first close approach to Dione on Dec. 14, 2004.
	home.xtra.co.nz /hosts/Wingmakers/Dione.html (981 words)

	Dione
		Because Dione is relatively small moon and an impact causing a 35 kilometer crater could have spun the satellite around.
		This theory is also supported by observations of the brightess of Dione, where the average surface albedo decreases from the leading to the trailing hemispheres (The leading hemisphere is brighter).
		This very detailed image taken during the Cassini spacecraft's closest approach to Saturn's moon Dione on Dec. 14, 2004 is centered on the wispy terrain of the moon.
	abyss.uoregon.edu /~js/ast121/lectures/dione.html (400 words)

	Dione (Mond) - netlexikon
		Dione ist einer der größeren Monde des Planeten Saturn.
		Dione umkreist Saturn in einem mittleren Abstand von 377.420 km in 65 Stunden und 41 Minuten.
		Dione rotiert in 65 Stunden und 41 Minuten um die eigene Achse und weist damit, wie der Erdmond, eine gebundene Rotation auf.
	www.lexikon-definition.de /Dione-%28Mond%29.html (708 words)

	Cassini-Huygens: Moons
		Dione is probably composed of a rocky core making up one-third of the moon's mass, and the rest is composed of water-ice.
		Dione is an icy body that is similar to Tethys and Rhea.
		Dione's icy surface includes heavily cratered terrain, with moderately and lightly cratered plains, as well as some severely cracked areas, with very bright material on the walls of the fractures.
	saturn.jpl.nasa.gov /science/moons/moonDetails.cfm?pageID=4 (307 words)

	Astronomy News
		Dione's southern polar region contains fractures whose softened appearance suggests that they have different ages than the bright braided fractures seen in the image to the north.
		The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Aug. 1, 2005, at a distance of approximately 269,000 kilometres from Dione and at a Sun-Dione-spacecraft, or phase, angle of 41 degrees.
		This map of the surface of Saturn's moon Dione illustrates the regions that will be imaged by Cassini during the spacecraft's very close flyby of the moon on October 11, 2005.
	www.activeboard.com /forum.spark?forumID=58381&subForumID=163878&action=viewTopic&commentID=3124517 (778 words)

	Mimas (moon) -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-16)
		The moon is named after (Click link for more info and facts about Mimas) Mimas, a son of ((Greek mythology) goddess of the earth and mother of Cronus and the Titans in ancient mythology) Gaia in (The mythology of the ancient Greeks) Greek mythology.
		Due to the tidal forces acting on it, the moon is not perfectly spherical; its longest axis is about 10% longer than the shortest.
		Herschel covers almost a third of the diameter of the entire moon; its walls are approximately 5 km high, parts of its floor measure 10 km deep, and its central peak rises 6 km above the crater floor.
	www.absoluteastronomy.com /encyclopedia/M/Mi/Mimas_(moon).htm (822 words)

	SPACE.com -- Icy Volcanoes Likely Shape Saturn's Smooth Moon
		The DEMs used by Schenk and Moore reveal Dione's cryovolcanic plains to be higher than the surrounding terrain, suggesting they may have been emplaced in a high viscosity flow similar to terrestrial glaciers sometime within the last 2 billion to 4 billion years.
		Dione is further from Saturn's gravitational grasp and somewhat analogous to the paper clip's cooler end.
		Dione and Enceladus could be even more alike according to recent research led by Jared Leisner of the University of California, Los Angeles.
	www.space.com /scienceastronomy/070424_st_dione_moon.html (724 words)

	Cassini Examines Saturn's Moon, Dione - Space - RedOrbit
		This map of Saturn's moon Dione, generated from Cassini images taken during the spacecraft's first two orbits of Saturn, illustrates the imaging coverage planned during Cassini's first Dione flyby on Dec. 14, 2004.
		An even closer encounter with Dione is in store for Cassini in October 2005, when the spacecraft is slated to fly past the icy moon at a mere 500 kilometers (311 miles).
		As it zoomed in on Saturn's moon Dione for a close flyby, the Cassini spacecraft captured a set of images of the icy moon which have been combined into a mosaic here to provide a stunningly detailed global view.
	www.redorbit.com /news/space/112052/cassini_examines_saturns_moon_dione/index.html (877 words)

	Universe Today - Cassini's First Flyby of Dione
		Dione is a small heavily cratered moon 560 km (350 miles) in diameter orbiting Saturn once every 2.73 days, which is actually the same period as its axial rotation.
		Dione is also known to share its orbit around Saturn with a small asteroid named Helene, that occupies a stable point ahead of it in orbit.
		As the Cassini Orbiter passed by Dione it took detailed images of an uncharted surface region of the area known as the ‘Trailing Hemisphere,’ centered on Latitude 0º, and Longitude 270º that is dominated by three craters, one large named Amata, with two smaller craters nearby named Catillus and Coras.
	universetoday.com /am/publish/cassini_first_dione_flyby.html?15122004 (716 words)

	Dione (moon) Information
		Dione (dye-oe'-nee, IPA /daɪˈɔʊni/, Greek Διώνη) is a moon of Saturn discovered by Giovanni Cassini in 1684.
		Dione is composed primarily of water ice, but as the third densest of Saturn's moons (aside from Enceladus and Titan, whose density is increased by gravitational compression) it must have a considerable fraction of denser material like silicate rock in its interior.
		Until the Cassini probe flyby of December 13, 2004, the origin of the bright wispy material was obscure, in part because the only photographs of it had been taken from a great distance.
	www.bookrags.com /wiki/Dione_(moon) (707 words)

	Astronomy for Kids - The Moons of Saturn
		Although the moon Dione was discovered in 1684, all we were able to see from here on Earth was a very tiny speck of light that orbited Saturn.
		The surface of the moon is much too cold for the oceans to be water, but there is a possibility that some other liquid could exist on the cold moon.
		One side of this moon, which is a little over nine hundred miles in diamater, is very bright while the other side looks as if it has been left outside in an industrial area for a very long time.
	www.dustbunny.com /afk/planets/saturn/saturnmoons.html (1069 words)

	Saturn moon 'a frigid world'
		Los Angeles - A close flyby of Saturn's greyish moon Dione reveals it is a mature, frigid world with hints of tectonic activity, new observations suggest.
		Cassini scientists compared the frozen Dione to another Saturn moon, Enceladus, which recently was found to have active ice volcanoes and a significant atmosphere.
		"Dione seems to be an older sibling of Enceladus," said Bonnie Buratti, a Cassini scientist.
	www.news24.com /News24/AnanziArticle/0,,2-13-1443_1819537,00.html (182 words)

	Tethys (Site not responding. Last check: 2007-10-16)
		Tethys is co-orbital with two other moons; that is, they orbit Saturn at the same distance as Tethys but precede (Telesto) and follow (Calypso) Tethys by about 60°.
		Ithaca Chasma is on the moon's Saturn-facing hemisphere.
		The image was taken with the Cassini spacecraft narrow angle camera on Oct. 18, 2004, at a distance of 3.9 million kilometers (2.4 million miles) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 61 degrees.
	home.xtra.co.nz /hosts/Wingmakers/Tethys.html (1012 words)

	Dione - Hutchinson encyclopedia article about Dione (Site not responding. Last check: 2007-10-16)
		One of the larger moons of Saturn, discovered in 1684.
		The two hemispheres of Dione are quite different.
		The leading side is heavily cratered, but the trailing side is covered with wispy streaks that may be valleys in the icy surface.
	encyclopedia.farlex.com /Dione (134 words)

	JPL.NASA.GOV: Feature Stories
		Sitting in the tranquility of space is the pale moon Dione, looking as if it's posing for a painter.
		"Dione seems to be an older sibling of Enceladus," said Dr. Bonnie Buratti, scientist on the Cassini visual and infrared mapping spectrometer team at NASA's Jet Propulsion Laboratory, Pasadena, Calif. "We think that the cracked features of Dione may be the older version of the tiger stripes on Enceladus.
		As on other Saturnian moons, rockslides on Dione may reveal cleaner ice, while the darker materials accumulate in areas of lower topography, such as crater floors and the bases of scarps.
	www.jpl.nasa.gov /news/features.cfm?feature=957 (550 words)

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