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Topic: List of Lunar craters

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	ALS Lunar Observers Certificate List of Objects
		Crater Fracastorius: a large crater which demonstrates the geologic history of the region: it transects the Nectaris Basin wall, indicating that it occurred after the Nectaris Basin impact.
		Crater chains are generally the result of a string of meteorites which are still gravitationally bound.
		Crater Tycho: One of the youngest complex craters on the moon.
	www.lunar-reclamation.org /observation_list.htm (2616 words)

	Impact Craters: Research Links for Students
		The Barringer Meteorite Crater (also known as "Meteor Crater") is a gigantic hole in the middle of the arid sandstone of the Arizona desert.
		Impact craters are a common feature on most planetary bodies because projectiles (such as meteoroids, asteroids, and comets) have collided with planetary surfaces for billions of years.
		In the past, people have suggested that the lunar craters were formed by volcanoes, bursting bubbles in a lava sea, asteroid impacts, and even interplanetary lightning bolts(!).
	www.cdli.ca /CITE/solar_impact_craters.htm (844 words)

	NASA Earth Science Data and Services: In Search of Martian Craters (Site not responding. Last check: 2007-11-03)
		Ramsey and Crown are particularly interested in a type of volcanic crater known as a maar crater, which is created by a violent explosion that occurs as magma moves up toward the surface and hits groundwater or a body of surface water.
		Craters provide important clues into a planet’s past, but Crown said the research community didn’t pay much attention to small craters until fairly recently, as new high-resolution images of the Martian surface were acquired.
		Known as one of the best-preserved impact craters on Earth, it is 180 meters (590 feet) deep and 1.2 kilometers (0.75 miles) in diameter.
	nasadaacs.eos.nasa.gov /articles/2005/2005_craters.html (2463 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.
		The striking preference of craters for Canada merely reflects the stability of the continental shield and the diligence of Canadian geologists.
	exobio.ucsd.edu /Space_Sciences/earth_impact_craters.htm (713 words)

	[No title]
		A crater is a bowl-shaped or flat-bottomed depression on the surface of the planet or minor object.
		Craters are found on planets with solid surfaces, moons, and even asteroids.
		Two possible origins of craters were hotly debated before the 1960's, when studies of craters on earth and the first lunar missions resolved the origin of most craters.
	near.jhuapl.edu /old/Education.95/lessonCraters/lpcraters.html (809 words)

	MainlyMartian: Two craters
		The "lake" crater in a Themis image that's being studied by students from Saratoga Springs, NY (via Martian Soil) doesn't really have a lake in it -- at least I think it doesn't, and I don't think the Themis team and the students really think so either.
		The only MOC image I can find of the "lake" crater is one taken late on in the southern winter with quite poor light; it isn’t particularly gripping.
		A MOC picture of the crater's interior flanks was first unveiled at the Lunar and Planetary Science Conference a month or so ago, in a session on the last day that took place after quite a lot of people had already left.
	mainlymartian.blogs.com /semijournal/2004/04/two_craters.html (1583 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		I have created a digital version of the list of lunar craters in the NASA Catalog of Lunar Nomenclature (NASA-RP-1097, Andersson and Whitaker 1982, hereafter AW82).
		Craters is a merge of the AW82 list with the list on the USGS site http://planetarynames.wr.usgs.gov/.
		Features is in the same format as Craters and contains the list of all non-crater named features, derived from the USGS list.
	host.planet4589.org /astro/lunar (228 words)

	CEPS Moon Research
		Luna 9 landed in 1966 returning the first panoramas of the lunar surface, but it was the American Ranger probes 7-9 (1965-66), Lunar Orbiters 1-5 (1966-67) and the Apollo manned landings (1969-1972) that revolutionized our knowledge of the history and geology of the Moon.
		These results confirmed that the lunar craters were created by large meteorite impacts, and not by volcanic crater explosions as some scientists had previously thought.
		CEPS personnel are involved in a variety of research projects including the study of lunar topography, cratering and impact basins, tectonics, lava flows, and regolith properties.
	www.nasm.si.edu /research/ceps/research/moon/moon.cfm (557 words)

	Craters of the Moon National Monument, Idaho, USA
		They became advocates for the area, despite a trek through this lunar landscape that lacerated their boots, as well as the paws of their faithful four-footed companion whom they had to carry most of the way.
		Craters of the Moon is situated at the northern end of the 60-mile long Great Rift Zone on the Snake River Plain.
		Scientists theorize that what’s caused the plain, the rift and the Craters area is a "hot spot" beneath the earth’s crust.
	www.gonorthwest.com /idaho/central/craters-moon/craters.htm (468 words)

	Lunar II Club Introduction
		Lunar II Club goals include stimulating and maintaining a continued interest in lunar observing.
		For the sketches, label any major feature your sketch includes, such as additional craters sketched, mountain chains or peaks, or other annotations that will explain certain features of the sketch, like "this area is very rough", or "top of crater has a flat ring".
		Computerized lunar charts are also permitted so long as they are not linked to identify features or to steer your telescope.
	www.astroleague.org /al/obsclubs/lunarII/lunarII1.html (923 words)

	Lunar Republic : Craters
		The accuracy of Eckert's calculations of the Moon's orbit was so good that in 1965 he was able to correctly show that there was a concentration of mass near the lunar surface.
		Using an 8.5" reflector, Elger made many drawings of the Moon between 1884 and 1896; his sketchbooks survive, and are now in the possession of the British Astronomical Association.
		His publication list extends to 886 papers and books, and his complete works fill about 90 volumes.
	www.lunarrepublic.com /gazetteer/crater_e.shtml (2006 words)

	SPACE.com -- Lunar Reconnaissance Orbiter: Searching For A 'New Moon'
		LRO is also to investigate the lunar radiation environment in terms of impact on humans.
		Watzin said that low lunar orbit is inherently unstable, due to the asymmetry of the lunar gravitational field.
		NASA's Lunar Prospector circled the Moon for over a year in 1998-1999, charting levels of hydrogen in shadowed craters near the Moon's south and north poles.
	space.com /businesstechnology/060207_lro_technology.html (1659 words)

	List of craters on the Moon - Wikipedia, the free encyclopedia
		This is a list of craters on the Moon.
		The crater nomenclature is governed by the International Astronomical Union, and this listing only includes features that are officially recognized by that body.
		Lunar Atlases at the Lunar and Planetary Institute
	en.wikipedia.org /wiki/List_of_Lunar_craters (301 words)

	APOD Search Results for "craters"
		During partial lunar phases, the craters along the terminator are cast in dramatic relief by strong shadows.
		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 (10503 words)

	Impact Cratering Experiments - Introduction
		These are called "secondary craters" and appear here as the complex clusters just to the left of the 6.7-km diameter Aristarchus C (the large crater to the right).
		One such aspect of impact cratering is the ejection of material from the growing crater.
		These are called "secondary craters," and they're caused by pieces of ejecta that were traveling fast enough to make their own craters when they landed back on the Moon.
	ares.jsc.nasa.gov /Education/websites/craters/intro1.htm (628 words)

	Impact Cratering Experiments - Introduction
		Impact craters are everywhere, and the small channels and valleys visible possibly indicate the presence of water at some time in the past.
		Note the elongate crater just to the left of the center of this picture; it was probably formed by an oblique impact -- that is, one in which the projectile's trajectory made an angle of only a few degrees (maybe 15 or 20?) with the martian surface.
		If we knew that, we could find all of the craters on Mars that appear to be the right age, measure their sizes, and calculate how much of the ejected material from each crater could have traveled at speeds greater than the escape velocity of Mars.
	ares.jsc.nasa.gov /Education/websites/craters/intro2.htm (1453 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 monasteries dissolved by Henry VIII of England
	www.gurupedia.com /l/li/list_of_reference_tables.htm (1148 words)

	Height of Lunar Mountains
		The purpose of this project is to estimate the height of lunar mountains based on the lengths of the shadows they cast.
		To check your conversion from pixel to distance on the lunar surface is correct, pick several craters in the image with sharp, well-defined rims or walls.
		As a check, use this same factor to correct the measured diameters of craters in your image; compare to the known diameters of the craters.
	www.physast.uga.edu /~jss/1120L/LunarMount.html (925 words)

	Prospecting for Lunar Water
		In the 1990s two spacecraft, Lunar Prospector and Clementine, found tantalizing signs of ice in shadowed craters near the Moon's poles--perhaps as much as much as a cubic kilometer.
		The Lunar Reconnaissance Orbiter, or "LRO" for short, is scheduled to launch in 2008 and to orbit the Moon for a year or more.
		Not far from some permanently shadowed craters are mountainous regions in permanent sunlight, known romantically as "peaks of eternal sunshine." Conceivably, a moonbase could be placed on one of those peaks, providing astronauts with constant solar power--not far from crater-valleys below, rich in ice and ready to be mined.
	science.nasa.gov /headlines/y2005/28apr_lro.htm?list67079 (1092 words)

	Lunar Club Observing List
		At the top of each section is a space to list the instruments used in the program.
		The "Object" column lists the features in Naked Eye, Binocular, and Telescopic order, and tells you what you are observing and when the best time is to observe it.
		In the last section, we have listed the 10 optional activities, and broken them down as to naked eye, binocular, and telescopic.
	www.astroleague.org /al/obsclubs/lunar/lunar2.html (333 words)

	Company Magazine -- News of Interest
		The new list has 35 lunar craters named after Jesuits: 10 Italians, 6 Germans, 5 French, 3 Hungarians, 2 Swiss, 2 Austrians, 2 Belgians, and one each from Croatia, Holland, Spain, Scotland, and the US.
		For centuries the basic map used for lunar nomenclatura was the one drawn in 1645 by Jesuit optician Francesco Grimaldi (1613-1663).
		Riccioli's assignment of some of the brightest craters to Copernicans--Kepler, Galileo, Lansberg, and Copernicus himself--has always been a bit of a puzzle, since as a Jesuit, Riccioli staunchly upheld the doctrine of a fixed and central earth.
	www.companysj.com /news.html (432 words)

	Lunar Eclipes for Beginners
		The total phase of a lunar eclipse is so interesting and beautiful precisely because of the filtering and refracting effect of Earth's atmosphere.
		During the total lunar eclipse of December 1992, dust from Mount Pinatubo rendered the Moon nearly invisible.
		Using a standard list lunar craters, one can careful measure the exact time when each crater enters and leaves the umbral shadow.
	junior.apk.net /~arstar50/Beginners.html (1362 words)

	Lunar Property
		The sale of Lunar property has already been ongoing for many years by the Lunar Embassy, which posesses a legal basis and copyright for the sale of Lunar, Martian and other extraterrestrial property.
		You may have seen a presentation of the Lunar Embassy and an appearance of Mr Dennis Hope on one of your local TV channels recently.
		The Lunar Embassy has a strict policy of "non interference" that is, not to prosecute or harrass trespassing neutral Astronauts, because on the Moon, it's always nice to get visitors.
	www.moonshop.com /pm/lunar.html (1364 words)

	Lunar Eclipses for Beginners
		These crater timings can be used to estimate the enlargement of Earth's atmosphere due to airborne dust and volcanic ash.
		Fortunately, lunar eclipse photography is easy provided that you have the right equipment and use it correctly.
		The next total lunar eclipse occurs on Mar. 3-4, 2007 and will be visible from the North and South America, Europe, Africa and much of Asia.
	www.mreclipse.com /Special/LEprimer.html (1629 words)

	NASA - Crash Landing on the Moon
		Researchers expect the impact to gouge a crater ~20 meters wide and throw up a plume of debris as high as 40 km.
		While Lunar Prospector's plume was observed only by telescopes on Earth a quarter-million miles away, LCROSS's plume will be analyzed by the Shepherding Spacecraft at point blank range, using instruments specifically designed for the purpose.
		The best places are probably polar craters with shadowy bottoms where water deposited by comets long ago may have frozen and survived to the present-day.
	science.nasa.gov /headlines/y2006/28jul_crashlanding.htm?list115595 (1066 words)

	Timeline to 1699 (Site not responding. Last check: 2007-11-03)
		The history of lunar studies has been reviewed in a few book chapters, but never in the detail permitted by infinitely extensible web pages.
		The listing of space probes illustrates that the Soviets achieved many early firsts; however, virtually all were for engineering triumphs that yielded few scientific results.
		The drawings are dramatic and relatively poor, but the description of mountains (and measures of their heights) and craters revealed that the Moon was not a perfect sphere as naively believed.
	www.space.edu /moon/timeline/timeline1699.html (979 words)

	Quia - Formation of the Moon
		The composition of the moon is similar to the earth's mantle.
		All of the junk from the impact began to join together to form the moon.
		Later, as the moon cooled, other impacts on the moon cause deep basis and lunar lava flowed from the cracks to form lunar maria.
	www.quia.com /jg/536319list.html (334 words)

	SPACE.com -- Rallying for a Return to the Moon (Site not responding. Last check: 2007-11-03)
		And there is a solid list of lunar longings that scientists are hungry to answer.
		A key observation made by the probe was the detection of hydrogen at the Moon's north and south poles.
		The certainty level that Lunar Prospector detected water on the Moon, said the scientist, is in the 95 percent range.
	www.space.com /businesstechnology/technology/lunar_future_010820-2.html (1002 words)

	Amazon.com: Meteorite Craters and Impact Structures of the Earth: Books: Paul Hodge (Site not responding. Last check: 2007-11-03)
		Some are spectacular to visit, such as the Barringer Crater in Arizona, the ring-shaped mountains of Gosses Bluff, Australia, and the huge crater at Ries in Germany.
		Meteorite craters are fascinating to visit, so the descriptions include guidance about access and suggested itineraries for the large structures.
		The Barringer Crater, also known as the Arizona Crater or Meteor Crater, is the best known impact structure in North America.
	www.amazon.com /Meteorite-Craters-Impact-Structures-Earth/dp/0521360927 (1287 words)

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