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Topic: List of craters on Europa

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Geological features of the Solar System

Impact crater

List of geological features on Europa

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Europa (moon)

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	Europa
		Europa ("yoo ROH puh") is the sixth of Jupiter's known satellites and the fourth largest; it is the second of the Galilean moons.
		Europa was a Phoenician princess abducted to Crete by Zeus, who had assumed the form of a white bull, and by him the mother of Minos.
		Europa and Io are somewhat similar in bulk composition to the terrestrial planets: primarily composed of silicate rock.
	seds.lpl.arizona.edu /billa/tnp/europa.html (658 words)

	Impact crater Summary
		An impact crater (impact basin, astrobleme or sometimes crater) is a circular or oval depression on a surface, usually referring to a planet, moon, asteroid, or other celestial body, caused by a collision of a smaller body (meteor) with the surface.
		Few underwater craters have been discovered because of the difficulty of surveying the sea floor; the rapid rate of change of the ocean bottom; and the subduction of the ocean floor into the Earth's interior by processes of plate tectonics.
		Tycho crater is the archetype for this class.
	www.bookrags.com /Impact_crater (5611 words)

	Wikinfo \| Crater (Site not responding. Last check: 2007-10-07)
		Craters are typically caused by meteorite impacts, although some are caused by volcanic activity (see volcano for more on these).
		In the center of craters on Earth a crater lake often accumulates, and in craters formed by meteorites a central island (caused by rebounding crustal rock after the impact) is usually a prominent feature in the lake.
		Few underwater craters have been discovered because of the difficulty of surveying the sea floor; the rapid rate of change of the ocean bottom; and the "subduction" of the ocean floor into the Earth's interior by processes of continental drift.
	www.wikinfo.org /wiki.php?title=Crater (1208 words)

	Europa (moon)
		Europa (ew-roe'-pa, /ju'ro:pa/ listen ▶(?), Greek Ευρώπη) is a moon of the planet Jupiter, smallest of the four Galilean moons.
		Europa is somewhat similar in bulk composition to the terrestrial planets, being primarily composed of silicate rock.
		The largest craters appear to be filled with flat, fresh ice; based on this and on the calculated amount of heat generated by Europan tides it is predicted that the outer crust of solid ice is approximately 10-30 kilometres thick, which could mean that the liquid ocean underneath may be as deep as 90 kilometres.
	www.mlahanas.de /Greeks/Astro/Europa.html (1523 words)

	Learn more about List of reference tables in the online encyclopedia. (Site not responding. Last check: 2007-10-07)
		List of mean centers of U.S. population during the 20th century
		List of monasteries dissolved by Henry VIII of England
		List of Judicial Committees of the Privy Council & House of Lords cases
	www.onlineencyclopedia.org /l/li/list_of_reference_tables.html (1071 words)

	Astronomy Online
		Europa, with a water-ice surface, has also been subjected to comet impacts as the other planets.
		And the third lesson is to create a list of standards when evaluating the possibility of life.
		With the Europa Orbiter scheduled to arrive in the year 2008 (http://www.jpl.nasa.gov/europaorbiter/EO_info.htm), our answers to the presence of liquid water and geological activity will be revealed.
	astronomyonline.org /Astrobiology/LifeOnEuropa.asp (1564 words)

	The Lure of Europa :: Astrobiology Magazine - beginning study of life - Origin - evolution - life beyond Earth - ...
		Some scientists believe that the so-called "chaos" regions of Europa are areas where liquid water or slush has broken through cracks in the ice, allowing surface chemicals to mix with the ocean below.
		The total surface area of the three icy moons of Jupiter (Europa, Ganymede and Callisto) is greater than the surface area of Mars, and, in fact, is about equivalent to the entire land surface of Earth.
		Europa is a very high priority for exploration, and in recognition of that priority, this mission is likely to happen.
	www.astrobio.net /news/article1697.html (1991 words)

	Earth Impact Craters
		There are 27 craters in this list and about 160 craters in a list going down to about 20m or 60 feet in diameter.
		Craters are seen on continents and their shelves, but not in the oceans, where the seabed is swept by tectonic activity into the deep oceanic trenches and recycled.
		This is a relatively recent crater (~49,000 yrs), and although it is very impressive to stand on its' edge and look across to the far rim, that rim is only 1.2 km away.
	exobio.ucsd.edu /Space_Sciences/earth_impact_craters.htm (713 words)

	Living Off the Ice on Europa
		Europa contains lots of water and ice whereas the Moon is all rock and thus it is only 91% as dense as the Moon and has just 82% of the Moon's gravity level, or less than 1/7th (13.5%) the gravity of Earth.
		Europa's inner core is suspected to be iron-sulfur, similar to that of Io.
		The duration of the overall combined manned mission to Europa, and the division of crew between surface base and submarine vessel, should be figured backwards from the amount of work to be done and the location from which it is to be conducted.
	www.lunar-reclamation.org /papers/europa_outpost_paper.htm (9018 words)

	Mission to Europa (Site not responding. Last check: 2007-10-07)
		Europa's magnetic field is strongly dependent on the strength of Jupiter's magnetic field at Europa's position.
		Since the density of Europa is too low (~3000 kg/m3) for metals and there is strong evidence for a sub-surface ocean, the magnetic field is probably generated by the ocean, which must have mineral salts (e.g.
		There is a lot of evidence for a vast sub-surface ocean on Europa with plenty of nutrients in the form of methane, ammonia and mineral salts.
	www.astro.lsa.umich.edu /Course/Labs/europa/missiontoeuropa.htm (1356 words)

	List of craters on Europa - Wikipedia, the free encyclopedia
		The surface of Jupiter's moon, Europa, is very young, geologically speaking, and as a result there are very few craters.
		Furthermore, as Europa's surface is made of weak water ice over a liquid ocean, most surviving craters have slumped so that their structure is very low in relief.
		Most of the craters that are large enough to have names are named after prominent figures in Celtic myths and folklore.
	en.wikipedia.org /wiki/List_of_craters_on_Europa (127 words)

	List of geological features on Europa - Wikipedia, the free encyclopedia
		See also the list of craters on Europa and list of lineae on Europa.
		On Europa, regions of chaotic terrain are named after places in Irish mythology.
		Europan flexūs are named after the places visited by Europa during her journey with Zeus the bull.
	en.wikipedia.org /wiki/List_of_geological_features_on_Europa (158 words)

	Jupiter Image Archive
		This is an image of Europa Conamura chaos region taken by the Galileo spacecraft.
		This is an image of one of the Europa craters, taken by the Galileo spacecraft.
		This is an image of four of the Europa craters, taken by the Galileo spacecraft.
	www.windows.ucar.edu /tour/link=/jupiter/jupiter_il.html (1571 words)

	APOD Search Results for "Europa"
		Europa, the smallest of Jupiter's Galilean moons, was photographed last month in natural color by the robot spacecraft Galileo, now in orbit around Jupiter.
		Europa, along with Mars and Saturn's moon Titan is considered to be one of the few places in our Solar System, beyond Earth, where primitive life forms could have developed.
		Europa, the fourth largest moon of Jupiter, was recently discovered to have a thin oxygen atmosphere by scientists using the Hubble Space Telescope.
	antwrp.gsfc.nasa.gov /cgi-bin/apod/apod_search?Europa (6999 words)

	Planetary and lunar craters not what they seem - Space.com - MSNBC.com
		Most of the craters on Jupiter's moon Europa are formed by chunks of rock and ice splashing back down onto the moon's surface after a meteor strike, a new study suggests.
		It was previously thought that most of the craters seen on moons and planets were the work of direct, or "primary" impacts from asteroids and comets.
		After running the simulations hundreds of times and comparing the results to the images, they found that the crater distributions were not similar as would be expected if most of the craters were caused by primary impacts.
	www.msnbc.msn.com /id/9757978 (804 words)

	Sulfuric Acid Found on Europa
		Sulfur from volcanoes on Io may be responsible for a battery acid chemical on Europa with implications for astrobiology.
		Europa's leading hemisphere is toward the bottom right, and there are enhanced concentrations of sulfuric acid in the trailing side of Europa (the upper left side of the image).
		One theory proposed by Carlson to explain sulfurinc acid on Europa is that sulfur atoms originate with the volcanoes on Io, with the material being ejected into the magnetic environment around Jupiter and eventually whirled toward Europa.
	science.nasa.gov /newhome/headlines/ast30sep99_1.htm (1199 words)

	Site Contents at the free Online Encyclopedia. (Site not responding. Last check: 2007-10-07)
		You are here: Online Encyclopedia > Site Map pg 4 > List of countries by...
		List of countries involved in World War II
		In a household, clothes hangers are the single one item that you own the most of, yet no one can name even one brand?
	www.onlineencyclopedia.org /index_190.html (116 words)

	Europa
		Europa is the sixth of Jupiter's known satellites and the fourth largest:
		Europa is the second of the Galilean moons.
		There seem to be very few craters on Europa; only three craters larger than 5 km in diameter have been found (picture 3).
	www.if.ufrj.br /teaching/astron/europa.html (429 words)

	APOD Search Results for "craters"
		Crater Copernicus, surrounded by dark mare which contrast nicely with its bright rays, is 93 kilometers in diameter.
		impact craters on the Moon, the central uplift was produced by a rebound of the suddenly molten lunar crust during the violent impact event.
		Craters older than Degas are covered by the ray material while younger craters are seen superimposed on the rays.
	antwrp.gsfc.nasa.gov /cgi-bin/apod/apod_search?craters (10502 words)

	The Lure Of Europa
		The reason we think that there is a liquid ocean on Europa is from the behavior of the induced magnetic field around Europa that was measured by the magnetometer on Galileo.
		The total surface area of the three icy moons of Jupiter (Europa, Ganymede and Callisto) is greater than the surface area of Mars, and, in fact, is about equivalent to the entire land surface of Earth.
		Europa is a very high priority for exploration, and in recognition of that priority, this mission is likely to happen.
	www.physorg.com /news6227.html (2048 words)

	List of reference tables - Gurupedia
		This is a list of reference tables, similar to the collection of reference tables found at the back of almanacs, dictionaries and encyclopedias (or an index of them, if they're scattered throughout the work).
		List of mountains on Io List of craters on Mars
		List of cities that have been the birthplace of a genre of music
	www.gurupedia.com /l/li/list_of_reference_tables.htm (1148 words)

	DbOfLists (Site not responding. Last check: 2007-10-07)
		List of city nicknames (with a separate list of city nicknames in the United States)
		List of countries by name, by capital, by government
		List of terms relating to algorithms and data structures
	www.theoryflux.com /html/dboflists.html (491 words)

	Earth Impact Database
		We rely heavily on the science community adding to the knowledge base, such that the list is kept as current as possible.
		Some buried craters have been revealed solely by geophysical techniques, although drill core is typically required to reveal macro- and microscopic evidence to prove an impact origin.
		Normally, buried craters are verified by drilling and sampling the material directly for evaluation using criteria 1-3 above.
	www.unb.ca /passc/ImpactDatabase/index.html (1043 words)

	Lists (Site not responding. Last check: 2007-10-07)
		List of Acts of the Parliament of Ireland
		List of Justices of the Supreme Court of the United States by court composition
		List of Justices of the Supreme Court of the United States by seat
	art.abcworld.net /Lists (1023 words)

	The Lure of Jupiter's Moon Europa
		Astrobiology Magazine -- The discovery that Jupiter's moon Europa most likely has a cold, salty ocean beneath its frozen icy crust has put Europa on the short list of objects in our solar system that astrobiologists would like to study further.
		The reason we think that there is a liquid ocean on Europa is from the behavior of the induced magnetic field around Europa that was measured by the magnetometer on Galileo.
		Another thing that drives our interest in exploring the Galilean satellites is trying to understand their geological histories.
	www.ufodigest.com /europa.html (1548 words)

	Cornell University Presents - The Odysseus Team 2003-2004
		The evidence can be found in the impact craters of Earth.
		It is believed that an asteroid was responsible for creating the conditions that led to the extinction of the dinosaurs.
		The comet Shoemaker Levy-9 impacted in 1994 and was witnessed by many with a telescope.
	www.mae.cornell.edu /Europa/outreach.htm (687 words)

	Spa Linea -- Recommendations and Resources (Site not responding. Last check: 2007-10-07)
		This is a list of lineae on Europa.
		Most Europan lineae are named after characters and places in the legends of Cadmus and Europa; others are named after important megalithic stone rows built by the Neolithic peoples of Britain and France.
		See also the list of craters on Europa and list of geological features on Europa.
	www.becomingapediatrician.com /health/135/spa-linea.html (553 words)

	NASA's Solar System Exploration: Planets: Jupiter: Moons: Ganymede
		The bright spots are relative recent impact craters.
		It is heavily cratered, especially in the dark regions, implying ancient origin.
		The grooved features were apparently formed more recently than the dark cratered area, perhaps by tension from global tectonic processes.
	solarsystem.nasa.gov /planets/profile.cfm?Object=Ganymede (334 words)

	[No title]
		Is the presence of the crater a coincidence or a consequence of the terrain's longevity?
		The Europa image (top right) is from the E6 dark linea 01 mosaic (out of RIM s0383713765.2), the Ganymede data (lower left) are from the G7 Nicholson Regio mosaic (RIM s0389923026.2), and the Callisto part (lower right) is from C9 crater statistics mosaic (RIMs s0401505500.1 and 526.1).
		They make two fascinating points: (1) secondary craters from Pwyll dominate over background craters by a factor >10, thus the background crater density (some combination of primaries and non-Pwyll-ray secondaries) is extremely low; and (2) the density of craters in the matrix is usually at least a factor of 5 less than on adjacent plates.
	pirlwww.lpl.arizona.edu /missions/Galileo/GLL_Archive/europa_list.html (12316 words)

	[No title]
		Perhaps a listing of known night fighters would be a good way to start a search for specialized binoculars they might have had as equipment.
		It would be interesting if someone could explain on the list by what techniques these reticules were made (well before the time of optical etching techniques developed for the chip industry).
		"From list 309: It would be interesting if someone could explain on the list by what techniques these reticules were made." I worked for years in the cartographic and survey fields, long before computers made their impact, and we used the same techniques daily that are use to make reticles.
	www.europa.com /~telscope/listp300.txt (16667 words)

	Images of Europa
		Click on a column heading to sort the list.
		Europa Ice Rafts and similar scales on Earth
		Regional Mosaic of Chaos and Gray Band on Europa
	photojournal.jpl.nasa.gov /target/Europa?subselect=refine:yes&sort=DESC&start=90 (44 words)

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