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Topic: Phoebe moon

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	Saturn's Moon Phoebe
		Phoebe [FEE-bee], one of the outer satellites of Saturn, was discovered by William H. Pickering from a photographic plate taken on the night of August 16, 1898 with a 24-inch refracting telescope located in Areguipa, Peru.
		Phoebe also might be the source of dark material on Iapetus.
		Phoebe's mass was determined from precise tracking of the spacecraft and optical navigation, combined with an accurate volume estimate from images.
	www.solarviews.com /eng/phoebe.htm (3428 words)

	Phoebe (moon) - Wikipedia, the free encyclopedia
		Phoebe is almost 4 times more distant from Saturn than its nearest major neighbor (Iapetus), and is substantially larger than any of the other moons orbiting planets at comparable distances.
		Phoebe is roughly spherical and has a diameter of 220 kilometres (about 137 miles), which is equal to about one-fifteenth of the diameter of Earth's moon.
		Phoebe's dark colouring initially led to scientists surmising that it was a captured asteroid, as it resembled the common class of dark carbonaceous asteroids.
	en.wikipedia.org /wiki/Phoebe_(moon) (871 words)

	Phoebe (moon) - Simple English Wikipedia
		Phoebe is a moon which goes around (orbits) the planet called Saturn.
		The ground on Phoebe is fl, which means that it is very dark when seen from Earth.
		Phoebe does not have any air, and there is no water on its surface.
	simple.wikipedia.org /wiki/Phoebe_(moon) (196 words)

	phoebemoonsaturn
		Phoebe is the outermost moon of Saturn, 13 million km (8 million miles) from Saturn.
		Phoebe is 220 km (138 miles) in diameter, just large enough that its gravity can pull it into a nearly spherical shape.
		Phoebe may be a captured asteroid from the Kiuper belt, a "fossil" object from the beginnings of the solar system, time and hard work will tell.
	www.exo.net /~pauld/Saturn/phoebemoonsaturn.htm (805 words)

	Phoebe
		In the Greek pantheon, Phoebe was the daughter of Uranus and Gaia and the grandmother of Apollo and Artemis.
		In the Greek myths, Phoebe was the daughter of Uranus and Gaia and the grandmother of Apollo and Artemis.
		In the Greek myths, Phoebe was the daughter of Uranus and Gaia.
	www.windows.ucar.edu /saturn/moons/phoebe.html (758 words)

	Saturn's Moon Phoebe (Site not responding. Last check: 2007-11-07)
		Phoebe [FEE-bee] is the last of the known satellites of Saturn, at a distance of 12.952 million kilometers (8 million miles).
		Phoebe orbits Saturn in a retrograde direction (opposite to the direction of the other satellites' orbits) in a plane much closer to the ecliptic than to Saturn's equatorial plane.
		Scientists believe that Phoebe may be a captured asteroid with a composition unmodified since the time it was formed in the outer Solar System.
	www.iki.rssi.ru /solar/eng/phoebe.htm (217 words)

	Saturn moon Phoebe reveals battered past. 15/06/2004. ABC News Online
		Interplanetary debris has battered Saturn's moon, Phoebe, for billions of years and the signs of past violence are clear in images snapped by a spacecraft headed for orbit around the ringed planet.
		Phoebe, discovered in 1898 by the American astronomer William Henry Pickering, is 220 kilometres wide and is about 13 million kilometres from Saturn.
		This means this moon might be related somehow to comets or objects from an area at the outer fringe of the solar system known as the Kuiper Belt.
	www.abc.net.au /news/newsitems/200406/s1131732.htm (690 words)

	Flying by Phoebe :: Astrobiology Magazine :: Search for Life in the Universe
		Yet Phoebe is an intriguing target of scientific investigation, for two reasons.
		Second, Phoebe's orbit is retrograde: it travels around Saturn in the opposite direction to that of the planet's other moons.
		Material that accreted to form planets and larger moons was chemically altered by the pressures and elevated temperatures that occurred when planetesimals smashed into each other and stuck together during the accretion process.
	www.astrobio.net /news/article1012.html (1092 words)

	SPACE.com -- Saturn's Moon Phoebe: Old, Beaten and Still Mysterious
		There were already clues: Phoebe is oddly dark for a moon and it orbits backward compared to the rotation of Saturn and the paths of the planet's larger moons.
		If Phoebe is from the Kuiper Belt, it could be a very useful, unsullied specimen of the early solar system, an object that gathered itself together before the planets had finished forming and which has changed little since.
		That's important, because it would mean Phoebe is probably too small to have ever had a melted core, so its contents could be pristine, a window to the chemicals and minerals of the solar system at birth.
	www.space.com /scienceastronomy/phoebe_unveiled_040615.html (876 words)

	Phoebe Flyby Reveals Comet-like Moon :: Saturn Astrobiology Magazine :: Search for Life in the Universe
		Summary: During the early June flyby of Saturn's dark moon, Phoebe, scientists were able to confirm for the first time that the moon is likely a captured comet-like object.
		Phoebe has an unusual orbit that is inclined to Saturn's equator, revolves backward with respect to both Saturn's rotation and orbital motion, and travels in the opposite direction of Saturn's other satellites.
		Phoebe is widely believed to have wandered past Saturn and been captured by that planet's mighty gravitational field.
	saturn.astrobio.net /news/article33.html (1186 words)

	* Phoebe - (Astronomy): Definition
		Saturn IX Phoebe [FEE-bee], one of the outer satellites of Saturn, was discovered by William H. Pickering from a photographic plate taken on the night of August 16, 1898 with a 24-inch refracting telescope located in Areguipa, Peru...
		Phoebe is one of the smaller of the 18 moons of Saturn.
		It was the first of almost 80 close passes by Saturn and its moons for Cassini,...
	en.mimi.hu /astronomy/phoebe.html (479 words)

	Universe Today - Cassini Passes Phoebe
		Phoebe is a peculiar moon amongst the 31 known satellites orbiting Saturn.
		Another difference is that Phoebe revolves around the planet on a rather elongated orbit and in a direction opposite to that of the other large moons (a motion known as 'retrograde' orbit).
		Phoebe might indeed be an icy wanderer from the distant outer reaches of the Solar System, which, like a comet, was dislodged from the Kuiper Belt and captured by Saturn when the planet was forming.
	www.universetoday.com /am/publish/cassini_passes_phoebe.html?1562004 (973 words)

	TPS: Saturn's moon Phoebe (Site not responding. Last check: 2007-11-07)
		Phoebe is one of Saturn's outermost satellites, the largest in a family of small, irregular, dark objects whose orbits tend not to lie in the plane of Saturn's rings.
		Phoebe as seen by the camera at the same time as the VIMS observations on June 11, 2004.
		Phoebe appears to have rotated in this image, compared to the image above; in fact, it's the spacecraft that rotates between the two views.
	www.planetary.org /saturn/phoebe.html (1355 words)

	[pcl] info · Saturn's moon Phoebe (Site not responding. Last check: 2007-11-07)
		Phoebe is the outermost of Saturn's known satellites at a distance of 12,952,000 kilometers.
		Phoebe and Iapetus are the only of Saturn's moons that doesn't orbit very nearly the plane of Saturn's equator.
		Another unusual thing about Phoebe (and Hyperion) is, that it (they) doesn't rotate synchronously as all the other moons of Saturn do, and it (they) doesn't always show the same face to the planet, unlike the other Saturnian satellites.
	user.bahnhof.se /~pcl/info/Saturn_moon_Phoebe.shtml (302 words)

	Cassini-Huygens: Operations-Approach & Phoebe
		Phoebe is roughly spherical and has a diameter of 220 kilometers (about 136.7 miles), which is equal to about one-fifteenth of the diameter of Earth's moon.
		Phoebe's orbit is also retrograde, which means it goes around Saturn in the opposite direction of most other moons -- as well as of most other objects in the solar system.
		Phoebe's darkness in particular suggests that the small moon comes from the outer solar system, a region known as the Kuiper Belt, where many celestial bodies contain dark material.
	saturn.jpl.nasa.gov /operations/approach.cfm (907 words)

	Cornell News: Saturn's moon, Phoebe
		The Cassini spacecraft flew within 1,250 miles of the 133-mile-diameter Phoebe on June 11, and mission scientists are now concluding that Phoebe is likely a primordial mixture of ice, rock and carbon-containing compounds similar in to material seen on Pluto and Neptune's moon Triton.
		"Phoebe is definitely not an asteroid," said JPL scientist Bonnie Buratti, a 1983 Cornell astronomy graduate.
		After Cassini's flyby of the moon he noted important differences between the surface of Phoebe and that of rocky asteroids which have been seen at comparable resolution.
	www.news.cornell.edu /releases/June04/Cassini.pressconf.deb.html (737 words)

	JPL News -- Phoebe's Surface Reveals Clues to Its Origin
		Images collected during Cassini's close flyby of Saturn's moon, Phoebe, have yielded strong evidence that the tiny object may contain ice-rich material, overlain with a thin layer of darker material perhaps 300 to 500 meters (980 to 1,600 feet) thick.
		In ascertaining Phoebe's origin, imaging scientists are noting important differences between the surface of Phoebe and that of rocky asteroids which have been seen at comparable resolution.
		Phoebe may be an icy interloper from the distant outer solar system which found itself captured by giant Saturn in its earliest, formative years.
	www.jpl.nasa.gov /releases/2004/149.cfm (543 words)

	Cassini observes Saturn's Moon "Phoebe" (Site not responding. Last check: 2007-11-07)
		The spacecraft was pointing its instruments at the moon during the flyby.
		Phoebe is almost four times farther from Saturn than its nearest major neighbor, Iapetus, and substantially larger than any of the other moons orbiting at comparable distances.
		Phoebe's orbit is highly eccentric and retrograde; it orbits backwards with respect to the direction of the other moons.
	www.unexplainable.net /artman/publish/printer_908.shtml (697 words)

	Sea and Sky: Other Saturnian Moons (Site not responding. Last check: 2007-11-07)
		This moon and its cousin, Telesto, are known as a Tethys Trojans.
		] is the eighteenth and outermost of Saturn's moons.
		In Greek mythology, Phoebe was the virgin goddess of the hunt and the Moon, and the twin sister of the god Apollo.
	www.seasky.org /solarsystem/sky3g9.html (1708 words)

	Catalog Page for PIA06062
		Phoebe's surface is already showing a great deal of contrast, most likely indicative of topography, such as tall sunlit peaks and deep shadowy craters, as well as genuine variation in the reflectivity of its surface materials.
		Phoebe orbits Saturn in a direction opposite to that of the larger interior Saturnian moons.
		Because of its small size and retrograde orbit Phoebe is believed to be a body from the distant outer solar system, perhaps one of the building blocks of the outer planets that were captured into orbit around Saturn.
	photojournal.jpl.nasa.gov /catalog/PIA06062 (419 words)

	New Scientist Breaking News - Saturn's moon reveals violent past
		Phoebe was snapped by Cassini on Friday evening as the craft flew within 2000 kilometres of the moon.
		The new pictures show that most of the moon is dark, but impacts have blasted holes in the surface to reveal much brighter material underneath, which is probably a mixture of ices.
		The moon is only a light-middleweight, among Saturn's 31 known moons, just 220 km across, but it carries more than its share of scars.
	www.newscientist.com /article.ns?id=dn5106 (422 words)

	JPL.NASA.GOV: News Releases
		A digitally rendered shape model of Phoebe was constructed using Cassini imaging data obtained before and after the spacecraft's close flyby of the moon on June 11, 2004.
		Like a woolly mammoth trapped in Arctic ice, Saturn's small moon Phoebe may be a frozen artifact of a bygone era, some four billion years ago.
		They concluded Phoebe is likely a primordial mixture of ice, rock and carbon-containing compounds similar in many ways to material seen in Pluto and Neptune's moon Triton.
	www.jpl.nasa.gov /news/news.cfm?release=2004-158 (726 words)

	NASA - Cassini Spacecraft Near First Stop in Historic Saturn Tour
		Phoebe has a diameter of 220 kilometers (about 136.7 miles), which is equal to about one-fifteenth the diameter of Earth's moon.
		Phoebe's retrograde orbit means that it goes around Saturn in the opposite direction of the larger interior Saturnian moons.
		Phoebe's darkness and retrograde orbit suggest that it is most likely a captured object.
	www.nasa.gov /mission_pages/cassini/media/cassini-060904.html (777 words)

	News in Science - Phoebe's craters show a battered life - 14/06/2004
		The latest images of Saturn's moon Phoebe are revealing a pockmarked surface, a sign of a battered past, say Cassini mission scientists.
		At its closest, the spacecraft was within 2068 kilometres of the dark moon, one of 31 known Saturn moons.
		A low density may indicate that Phoebe is a highly porous pile of rubble, as has been suggested for one of Jupiter's similar sized moons, Amalthea.
	www.abc.net.au /science/news/stories/s1131412.htm (487 words)

	Cassini Photographs Saturn's Moon Phoebe, With Astonishing Results (Site not responding. Last check: 2007-11-07)
		Phoebe is the most distant large moon of Saturn and is an oddball among Saturn’s 31 known moons.
		Most of Saturn’s moons orbit the planet in the same plane and in the same direction as Saturn’s rings, but Phoebe travels in the opposite direction and in a steeply inclined orbit.
		For the moon Phoebe, the naming scheme was supposed to include people associated with the Greek goddess Phoebe (the goddess of wise counsel, daughter of Uranus and Gaia, sister of Saturn, and grandmother of Apollo and Artemis) as well as islands in the Greek archipelago.
	www.planetary.org /news/2004/cassini_phoebe_encounter.html (2367 words)

	BBC NEWS \| Science/Nature \| Phoebe is 'cosmic time capsule'
		Saturn's moon Phoebe is almost certainly a primordial object similar to those that served as the building blocks of planets in our Solar System.
		The 220km-wide moon is mixture of ice, rock and carbon compounds similar to material in Pluto and in Neptune's moon Triton.
		It was thought that Phoebe might be an asteroid, but the data gathered by the Cassini team seems to suggest Phoebe is a relic from the early days of our Solar System.
	news.bbc.co.uk /1/hi/sci/tech/3836759.stm (415 words)

	BBC NEWS \| Science/Nature \| Cassini pass reveals moon secrets
		The US-European spacecraft made its closest approach to the moon on Friday at 2156 BST at a distance of 2,078km.
		Phoebe orbits Saturn in a direction opposite to that of the larger, and closer, Saturn moons.
		This has led some scientists to suggest that it may be the parent body to other, smaller moons that circle Saturn in a retograde orbit.
	news.bbc.co.uk /2/hi/science/nature/3798485.stm (648 words)

	Spaceflight Now \| Cassini \| Saturn's moon Phoebe likely born in outer solar system
		The scientific objectives of the Cassini mission to study the planet Saturn, its rings and moons are explained by Charles Elachi, director of the Jet Propulsion Laboratory.
		NASA unveiled a spectacular high-resolution mosaic of Saturn's enigmatic moon Phoebe today, along with other data from the Saturn-bound Cassini probe showing the moon formed in the extreme outer solar system and later was captured by the ringed planet's gravity.
		During its historic close encounter with Phoebe, the Cassini spacecraft captured a series of high resolution images of the small moon, six of which have been put together to create this mosaic.
	spaceflightnow.com /cassini/040623phoebehighres.html (1176 words)

	USATODAY.com - Saturn's moon Phoebe: Old, beaten and still mysterious (Site not responding. Last check: 2007-11-07)
		Large craters mark the surface of Phoebe, a tiny moon of Saturn.
		Scientists have long suspected Phoebe is instead an object captured from the Kuiper Belt, a more distant region of icy bodies beyond Neptune.
		Some of the bright areas on the small moon may be material from below — possibly water ice — that's been exposed by impacts.
	www.usatoday.com /tech/news/2004-06-15-cassini-mysterious_x.htm (840 words)

	Phoebe's Surface Reveals Clues To Its Origin
		Phoebe was left behind from the solar nebula, the cloud of...
		Cassini VIMS Team Finds That Phoebe May Be Kin To Comets (June 24, 2004) -- Scientists may at last have settled the debate on the origin of Saturn's moon, Phoebe.
		Alfred McEwen, an imaging team member from the University of Arizona, Tucson, said, "Phoebe is a world of dramatic landforms, with craters everywhere, landslides, and linear structures such as grooves, ridges, and chains of pits.
	www.sciencedaily.com /releases/2004/06/040615081224.htm (602 words)

	SPACE.com -- Closest Ever Images of Saturn's Moon Phoebe Captured By Cassini
		First images from the Cassini flyby of Phoebe reveal it to be a scarred, cratered outpost with a very old surface and a mysterious past, and a great deal of variation in surface brightness across its surface.
		This image was obtained on June, 11 2004 at a phase, or Sun-Phoebe-spacecraft, angle of 79 degrees, and from a distance of 8,314 miles (13,377 kilometers).
		Phoebe in general is very dark, but close inspection revealed areas so bright they're washed out in the picture.
	www.space.com /scienceastronomy/cassini_flew_by_040612.html (854 words)

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