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Topic: List of geological features on 243 Ida and Dactyl

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	List of geological features on 243 Ida and Dactyl - Wikipedia, the free encyclopedia
		This is a list of named geological features on asteroid 243 Ida and its moon, Dactyl.
		Idaean regiones (geologically distinct areas) are named after the discoverer of the asteroid, and the places where he worked.
		The only named dorsum on Ida is Townsend Dorsum, named after Tim E. Townsend, a member of the Galileo probe imaging team.
	en.wikipedia.org /wiki/List_of_geological_features_on_243_Ida_and_Dactyl (128 words)

	Dactyl (asteroid) (Site not responding. Last check: 2007-10-12)
		Dactyl, discovered in 1993, is a tiny asteroid (diameter 1.4 km) that orbits asteroid 243 Ida with a period of 1.54 days at an average distance of 108 km.
		The two main theories are that it and Ida formed at the same time, and that it was knocked loose by a later impact.
		Dactyl, found by the Galileo probe, was the first asteroid moon discovered.
	www.webscavengers.net /modules/tinyd0/content/wikipedia/d/da/dactyl__asteroid_.html (107 words)

	Dactyl (moon) - Wikipedia, the free encyclopedia
		(243) Ida I Dactyl is a tiny asteroid moon (diameter 1.4 km) that orbits asteroid 243 Ida.
		Dactyl orbits Ida with a period of 1.54 days at an average distance of 108 km, with an inclination of 9° to Ida's equator.
		The two main hypotheses are that it and Ida formed at the same time, and that it was knocked loose by a later impact.
	en.wikipedia.org /wiki/Dactyl_(moon) (228 words)

	Science Fair Projects - 243 Ida
		243 Ida is a Main belt asteroid that was imaged by the Galileo probe on August 28, 1993.
		Some researchers believe that Dactyl formed from debris ejected from Ida by cratering, while others suggest that Ida and Dactyl formed as a pair a billion or more years ago when Ida's parent body was disrupted.
		Ida is named after Ida, a Cretan nymph in Greek mythology who lived on a mountain that bore her name (see Mount Ida, Crete).
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/243_Ida (815 words)

	243 Ida (Site not responding. Last check: 2007-10-12)
		243 Ida is an asteroid that was imaged by the Galileo probe on August 28, 1993.
		The probe discovered that Ida had a small moon, an asteroid dubbed Dactyl, only 1.4 km in diameter; this was the first asteroid moon to be discovered.
		Ida is named after Ida, a Cretan nymph in Greek mythology who lived on a mountain that bore her name.
	www.xasa.cc /wiki/en/wikipedia/2/24/243_ida.html (436 words)

	Geological features of the Solar System - Biocrawler (Site not responding. Last check: 2007-10-12)
		This is a directory of lists of geological features on other planets, moons and asteroids.
		List of geological features on Jupiter's smaller moons
		List of geological features on Saturn's smaller moons
	www.biocrawler.com /encyclopedia/Geological_features_of_the_Solar_System (176 words)

	243 IDA : Encyclopedia Entry (Site not responding. Last check: 2007-10-12)
		Ida was discovered by Johann Palisa on September 29, 1884 in Vienna.
		It is named after Ida, a Cretan nymph in Greek mythology who lived on a mountain that bore her name (see Mount Ida, Crete).
		Ida has a small moon, Dactyl, which was discovered by Galileo mission member Ann Harch, while examining the delayed image downloads, discovered on February 17, 1994.
	bibleocean.com /OmniDefinition/243_Ida (710 words)

	Astronomical Objects Named After People Encyclopedia Articles @ AstronomyInArt.com (Astronomy in Art) (Site not responding. Last check: 2007-10-12)
		This list is incomplete; you can help by expanding it.
		Also, many topological features on solar system bodies have been named after people, including many hundreds of craters on the Moon, Mars and other planets and satellites.
		In addition to craters there are also various other topological features such as mountains, valleys, ridges on the Moon and other bodies which are also named after people.
	www.astronomyinart.com /encyclopedia/Astronomical_objects_named_after_people (316 words)

	planetary nomenclature - Article and Reference from OnPedia.com
		When images are first obtained of the surface of a planet or satellite, a theme for naming features is chosen and a few important features are named, usually by members of the appropriate IAU task group.
		One feature classification, regio, was originally used on early maps of the Moon and Mercury (drawn from telescopic observations) to describe vague albedo features.
		Named features on bodies so small that coordinates have not yet been determined are identified on drawings of the body that are included in the IAU Transactions volume of the year when the names were adopted.
	www.onpedia.com /encyclopedia/planetary-nomenclature (1388 words)

	Science Fair Projects - Dactyl (asteroid)
		The orbit is not very accurately known because the Galileo probe coincidentally passed very nearly in its plane whilst taking the images.
		It was imaged by the Galileo probe on August 28, 1993; Galileo mission member Ann Harch, while examining the delayed image downloads, discovered it on February 17, 1994.
		Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Dactyl_(asteroid) (340 words)

	243 Ida (Site not responding. Last check: 2007-10-12)
		Ida is named after Mount Ida, a mountain important in Greek mythology.
		Ida's moon also has a deeper near-infrared absorption and a different color in the violet than any area on this side of Ida.
		The moon is not identical in spectral properties to any area of Ida in view here, though its overall similarity in reflectance and general spectral type suggests that it is made of the same rock types basically.
	www.aseannewsnetwork.de /articles/content/2/24/243_ida.html (591 words)

	Astronomical naming conventions - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-12)
		Thus, Dactyl, the moon of 243 Ida, was at first designated "S/1993 (243) 1".
		In addition to naming planets and satellites themselves, the individual geological and geographical features (craters, mountains, volcanos and so forth) on those planets and satellites also need to be named.
		The Martian nomenclature was clarified in 1958, when a committee of the IAU recommended for adoption the names of 128 albedo features (bright, dark, or colored) observed through ground-based telescopes (IAU, 1960).
	72.51.33.237 /cgi-bin/nph-surf.cgi/010110A/uggc/ra.jvxvcrqvn.bet/jvxv/Nfgebabzvpny_anzvat_pbairagvbaf (3125 words)

	Abstracts for the Planetary Geology & Geophysics Program
		Geological principles and results from meteoritic studies are used to determine the original parent body composition and the geological processes which produced the asteroidal mineral assemblage.
		The technical approach and methodology to be used involves a combination of methods including quantitative modelling of geological processes (e.g., ascent and eruption of magma), photogeologic analysis and geologic interpretation of surface features, analysis of multispectralimages, measurement of size-frequency distributions of impact craters in carefully chosen areas, and geological mapping and stratigraphic analysis.
		The ultraviolet, visible and infrared spectral features of the icy satellites of Jupiter and Saturn are determined in part by the chemical alteration and sputtering of the surface materials by the energetic plasma ions and electrons trapped in these planetary magnetospheres.
	research.hq.nasa.gov /code_s/nra/current/NRA-00-OSS-01/PGGabstracts.html (18999 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		A weak correlation of the presence of this feature with asteroid diameter suggests that asteroid heating that occurred shortly after their formation could have been caused by a mechanism having a dependency on both heliocentric distance and size, consistent with electromagnetic induction.
		Ida's exotic dynamical environment may be the key to the puzzling distribution of ejecta blocks.
		The general estimate of the age of Ida is of the order of 1 Gyrs, while the collisional life time of Dactyl is supposed to be of the order of 100 to 200 Myrs.
	www.lpi.usra.edu /meetings/programs/dps95wa.txt (11602 words)

	APOD Search Results for "asteroids"
		Large impact features on the Earth are testaments, however, to larger asteroids and comets that actually impacted the Earth in the distant past.
		Features as small as 65 feet are visible here, while long shadows emphasize the differences in the cratered regions at the left and smooth groved terrain at right.
		Ida, was discovered to have a moon which appears as a small dot to the right of Ida in this picture.
	antwrp.gsfc.nasa.gov /cgi-bin/apod/apod_search?asteroids (6906 words)

	COMMISSION 15: PHYSICAL STUDY OF COMETS, MINOR PLANETS AND METEORITES
		Dactyl is approximately 1.5 km in diameter, has an albedo and spectral reflectance similar to that of Ida, and orbits Ida in a prograde direction with a period of roughly 20 hr.
		Chapman (1995, 69), using the Galileo observations of Gaspra, Ida, and Dactyl as well as other recent asteroid research, suggests that meteorites (and their larger siblings, the Earth-approaching asteroids) are derived, in a fairly representative fashion, from main-belt asteroids, which include all common meteorite types, including ordinary chondrites.
		In addition to those papers listed in the preceding two sections there were four others, given here, which are of interest to members of Commission 15: Calvin and King (1993, 63) present reflectance spectra of iron-bearing phyllosilicates and discuss their relationship to CM chondrites.
	www.ss.astro.umd.edu /IAU/comm15/trirep97/Report97.html (13752 words)

	Astronomical objects named after people - Encyclopedia Glossary Meaning Explanation Astronomical objects named after ... (Site not responding. Last check: 2007-10-12)
		The list does not include astronomical objects named after mythological or fictional characters.
		* List of features on Phobos and Deimos
		* List of geological features on 433 Eros
	www.encyclopedia-glossary.com /en/Astronomical-objects-named-after-people.html (297 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		Useful maps are listed in the planetary map FAQ that follows this posting.
		Here is a list of maps of all mapped solar system bodies except Earth--56 as of February 1998.
		"We can see differences in vegetation structure and some features that are obscured by vegetation cover." In December 1997, Moore surveyed a small mound on the perimeter of the famous 12th century AD temple, Angkor Wat, that Freeman had first noticed in the radar image.
	www.lyon.edu /projects/marsbugs/1998/19980221.txt (3473 words)

	[No title]
		At the left may be 243 Ida imaged in 1993 by Galileo (Se-563).
		This is a false color image of 243 Ida taken on a fly-by by the Galileo probe on its way to Jupiter in 1993.
		Dactyl is about 15 km in size scale (Se-563).
	www.physics.unlv.edu /~jeffery/astro/asteroid/asteroid.html (1560 words)

	[No title]
		Please note: neither this list nor its contents are final till midnight of the last day of the month of any such announcement.
		According to Porphyry, Pythagoras, on his arrival on the island of Crete, was purified with thunder-stones by the dactyl priests of Mount Ida. The Etruscans wore flint arrow-heads on their collars.
		It is difficult to mention them all, and even more difficult to make out a complete list of contemporary mammalia; the deposits generally actually touch those of another period, and the separation of the objects in them has not always been made with all the care that could be wished.
	listserv.cddc.vt.edu /gutenberg/etext02/mmopp10.txt (18650 words)

	APOD Search Results for "asteroid"
		Also featured in yesterday's episode, the image data from the Mars Express High Resolution Stereo Camera was recorded at a distance of about 200 kilometers.
		Unusual features of the light curve are still being studied, and no host galaxy appears near the position of this explosion.
		Features as small as 65 feet are visible here, while long shadows emphasize the differences in the cratered regions at the left and smooth grooved terrain at right.
	antwrp.gsfc.nasa.gov /cgi-bin/apod/apod_search?asteroid (10983 words)

	World oddd.org (Site not responding. Last check: 2007-10-12)
		In order to understand Titanian surface features better, the Cassini spacecraft is currently using radar altimetry and synthetic aperture radar imaging to map portions of Titan during its close fly-bys of the moon.
		There are features that seem volcanic in origin, which probably disgorge water mixed with ammonia.
		An enigmatic dark feature at the pole, named Ontario Lacus has been identified as a possible lake created by precipitation from the clouds that cluster at the pole [http://www.planetary.org/news/2005/titan_lake_0628.html].
	oddd.org /en/World (8171 words)

	Middle East Open Encyclopedia: List of geological features on 243 Ida and Dactyl (Site not responding. Last check: 2007-10-12)
		Middle East Open Encyclopedia: List of geological features on 243 Ida and Dactyl
		This is an extract from The Middle East Open Encyclopedia, made possible through the Wikimedia Foundation.
		Iraq Museum International always displays the most recent published revision of the source article, List of geological features on 243 Ida and Dactyl; all previous versions may be viewed here.
	www.baghdadmuseum.org /ref?title=List_of_geological_features_on_243_Ida_and_Dactyl (259 words)

	[No title]
		PLANETARY MAPS: (this article is in the public domain) A list of maps of all mapped solar system bodies except Earth, 60 by December 1999.
		Mars) a general purpose global map is listed, and others if available: relief maps (usually with placenames), topography (contours), geological maps...
		Comet Encke) are simple diagrams of possible surface features ('sketch' under map type).
	publish.uwo.ca /~pjstooke/mapsummy.txt (488 words)

	FULL PUBLICATIONS LIST (Site not responding. Last check: 2007-10-12)
		2005 Basilevsky, A.T. and J.W. Head, Stratigraphy of Geologic Units and the Impact Crater Record as a Clue to the Geologic History of Venus, presented at Chapman Conference on Geodynamics of Venus: Evolution and Current State, AGU, Aspen, CO, September 4-6, 1997.
		Granahan, F. Fanale, P. Geissler and J.W. Head, Ida and Dactyl: Spectral reflectance and color variations, Icarus, 120, 66-76, 1996.
		Wilson, Geologic, Multispectral, and Modelling Studies of the Dark Mantle Ring Deposit in Southwestern Orientale, 1996.
	www.planetary.brown.edu /planetary/publications_list/full_list.html (16465 words)

	USGS Astrogeology: Gazetteer of Planetary Nomenclature - Planetary Body Names and Discoverers
		This outer Martian satellite was named for one of the horses that drew Mars' chariot; also called an "attendant" or "son" of Mars, according to chapter 15, line 119 of Homer's "Iliad." Deimos means "fear" in Greek.
		Named for a group of mythological beings who lived on Mount Ida, where the infant Zeus was hidden and raised (according to some accounts) by the nymph Ida.
		Ida is also the name of a mountain on the island of Crete, the location of the cave where Zeus was reared.
	planetarynames.wr.usgs.gov /append7.html (3057 words)

	giraffechronicles (Site not responding. Last check: 2007-10-12)
		His design was one of the first to demonstrate a television system with all the features of modern picture tubes.
		Its surface, peppered with vast volcanoes and rift valleys such as Valles Marineris, shows that it was once geologically active and recent evidence suggests it may have continued to be so until very recently.
		The process of naming planets and their features is known as planetary nomenclature.
	giraffechronicles.blogdrive.com /archive/cm-12_cy-2005_m-12_d-24_y-2005_o-.html (9592 words)

	List of craters on Umbriel (Site not responding. Last check: 2007-10-12)
		Important facts about List of craters on Umbriel
		This is a list of named crater on Umbriel (moon).
		Umbrielian craters are named after evil spirits in various mythologies.
	read-and-go.hopto.org /Surface-feature-nomenclature-of-solar-system-bodies/List-of-craters-on-Umbriel.html (79 words)

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