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Topic: Arzachel crater

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	Courses in Astrophotography
		To the northeast is Descartes crater, and to the south-southeast is Almanon crater.
		Hipparchus is the degraded remnant of a lunar crater.
		The southern rim of the crater is overlaid by the similar-sized Casatus crater
	www.damianpeach.com /lunar.htm (17231 words)

	Arzachel - Wikipedia, the free encyclopedia
		Al-Zarqali (in full Abu Ishaq Ibrahim ibn Yahya Al-Zarqali, rendered as Arzachel in Latin Europe; Azarquiel in Spanish and Italian), (1028–1087 CE), was a leading Arab mathematician and the foremost astronomer of his time.
		Arzachel was famous as well for his own Book of Tables.
		Arzachel crater on the Moon is named after him.
	en.wikipedia.org /wiki/Arzachel (291 words)

	Arzachel (Site not responding. Last check: 2007-11-03)
		It lies to the south of Alphonsus crater, and together with Ptolemaeus crater further north the three form a prominent line of craters to the east of Mare Nubium.
		The smaller Alpetragius crater lies to the northwest, and Thebit crater is to the southwest along the edge of the mare.
		The rugged central peak of Arzachel is prominent, rising 1.5 kilometers above the floor, and is somewhat offset to the west with a bowed curve from south to north-northeast.
	www.astrosurf.com /grenier/crateres/pages/arzachel.htm (485 words)

	Ptolemaeus (lunar crater) - Wikipedia, the free encyclopedia
		Ptolemaeus is an ancient lunar impact crater close to the center of the near side.
		To the south-southeast Ptolemaeus is joined to the rim of Alphonsus crater by a section of rugged, irregular terrain, and these form a prominent chain with Arzachel to the south.
		To the southeast is Albategnius crater and to the north is the smaller but well-defined Herschel crater.
	en.wikipedia.org /wiki/Ptolemaeus_(lunar_crater) (399 words)

	CRATERS ARZACHEL & MAGINUS (Site not responding. Last check: 2007-11-03)
		97 km diameter crater Arzachel with its single central peak was imaged with a 15cm Intes-Micro Maksutov- Cassegrain reflector and Astrovid 2000.
		Crater Thebit is at upper left of Arzachel, Alpetragius, to far right, its massive central peak summit just being revealed by morning light.
		Crater Maginus in afternoon light is actually referred to as a vast walled plain measuring some 163 km across.
	www.lafterhall.com /craters04.html (109 words)

	Arzachel (crater)
		Arzachel is a relatively young lunar impact crater located in the highlands in the south-central part of the visible Moon, close to the zero meridian (the visible center of the moon).
		The rim of Arzachel shows little sign of wear and has a detailed terrace structure on the interior, especially on the slightly higher eastern rim.
		The rugger central peak of Arzachel is prominent, rising 1.5 kilometers above the floor, and is somewhat offset to the west.
	www.xasa.com /wiki/en/wikipedia/a/ar/arzachel__crater_.html (247 words)

	CraterOrigin
		The concensus seems to be that moon craters are caused by the impact of meteors.
		An impact great enough to produce a crater with a diameter of some size on the moon would shatter the entire moon, since it is hollow with a relatively thin shell.
		The center of the craters produced would experience a relatively small disturbance and, consequently, any mountain in the path of the proton beam would be left standing.
	www.holloworbs.com /CraterOrigin.htm (484 words)

	Hitchhiker's Guide to Rukl Chart 44
		This prominent trio of craters -- Arzachel is on Rukl chart 55 -- are a major "landmark" feature, easily recognized and useful for orientation, for the great southern peninsula that dominates the south-central portion of the Moon's visible disc.
		This crater is halfway between Ptolemaeus and Hipparchus.
		Not a large or prominent crater, Muller is surrounded by giants from astronomical history.
	www.shallowsky.com /moon/rukl44.html (790 words)

	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)

	Thebit (Site not responding. Last check: 2007-11-03)
		To the north-northwest is Arzachel crater, and Purbach crater lies to the south-southwest.
		The rim of Thebit crater is generally circular in outline, with a double-notch in the southwest wall.
		The west-northwestern rim of this crater is overlain in turn by the even smaller Thebit L. Together this forms an elegant arrangement that makes Thebit relatively simple to identify.
	www.astrosurf.com /grenier/crateres/pages/thebit.htm (275 words)

	Lunar observing report of an 8-day-old Moon, March 29th, 2004
		On the crater floor, near the eastern rim, I detected W. Bond B, a young impact crater with a diameter of 15 km.
		Tonight I was able to detect a part of the Rimae Arzachel between Arzachel A, the crater northeast of the central peak, and the edge of the crater.
		Arzachel K is visible south of Arzachel A. In the western rim of the crater, Arzachel B (a small crater) and Arzachel F (a kind of valley) are visible.
	www.backyard-astro.com /solar/moon/2004_03_29/290304.html (784 words)

	Lunar Images III (Site not responding. Last check: 2007-11-03)
		In the center left the crater Albategnius (136k) is shown the crater Klien (44k) overlays the lower left area.
		Craters 3k and smaller are evident in a number areas.
		This image covers a wide area, starting with the crater Arzachel in the north, the Deslandres (left) and Walter (right) walled plains in the center and the northern half of crater Tycho in the south.
	www.astroimaging.com /Lunarsmall3.htm (770 words)

	Cosmic Era locations - Wikipedia, the free encyclopedia
		The Arzachel lunar base is the new Earth Alliance lunar base after the destruction of the Ptolemaeus lunar base in CE 71 and the headquarters of the EA space fleet.
		As its name suggests, it is located in the Arzachel crater.
		The crater is named after Al-Zarqali (in full Abu Ishaq Ibrahim ibn Yahya Al-Zarqali, "Arzachel" to Latin Europe), a leading Arab mathematician and the foremost astronomer of his time.
	en.wikipedia.org /wiki/Junius_Seven (2986 words)

	Alphonsus
		Alphonsus is a large, famous crater near the center of the lunar nearside, and is one of lunar observers’ perennial favorites.
		Alphonsus escaped being overwhelmed by the ejecta and uplift, but the crater walls were eroded and almost certainly settled as a result of the Imbrian impact, and the stresses of that impact also probably further weakened the crust in the floor of the crater.
		Arzachel’s ejecta is best preserved within Alphonsus, since the highland units around Arzachel interfere with discerning the ejecta clearly, except perhaps to the south.
	jeff.medkeff.com /astro/lunar/r_ptolemaeus/alphonsus/index.htm (1854 words)

	Lunar Images (Site not responding. Last check: 2007-11-03)
		Note, that not only are the 5 craters within Plato clearly visible but there us a hint of a number of even smaller ones as well.
		The small craters inside of Clavius are suitable for testing the resolution of smaller telescopes, as each one is progressively smaller.
		The small crater at the southern termination of the rile is about 3.1km wide and 470m deep.
	www.astroimaging.com /Lunarsmall.htm (1149 words)

	Associazione Lunar Explorer Italia - Fotografie ed Immagini della Luna, Marte, Il Sistema Solare e l'Universo - Before ...
		Bruce Crater and Sinus Medii-52 visteCaption NASA originale:"Lunar Orbiter 3 oblique view of Bruce Crater in the foreground and the Sinus Medii Mare plain on the Moon.
		Tsiolkovsky Crater on the far-side of the Moon-81 visteCaption NASA originale:"Lunar Orbiter 3 view of Tsiolkovsky crater and the southern zone of the western far side of the Moon.
		The approximately 240 Km crater at the upper center of the image is located at 20° S, 130° E and exhibits a flat, dark infilled floor and prominent central peak.
	www.lunexit.it /gallery/thumbnails.php?album=60&page=4 (1013 words)

	JeffPo's Lunar Page
		I zoom in on a crater, examine it's floor and central peak.
		Notice the central peaks and the shadow of the crater rim lying on the crater floor.
		The rims of the crater have the early morning light, while the floor of the crater hangs onto the darkness of night.
	www.mindspring.com /~jeffpo/lunar.htm (900 words)

	Free information of Intonation (music) (Site not responding. Last check: 2007-11-03)
		Arzachel is a relatively young Moon impact crater located in the highlands in the south-central part of the visible Moon, close to the zero meridian (the visible center of the moon).
		The smaller Alpetragius (crater) lies to the northwest, and Thebit (crater) is to the southwest along the edge of the Lunar mare.
		The rugged central peak of Arzachel is prominent, rising 1.5 kilometer s above the floor, and is somewhat offset to the west with a bowed curve from south to north-northeast.
	intonation.music.en.qcat.org (3139 words)

	Ptolemy's Neighborhood (Site not responding. Last check: 2007-11-03)
		Arzachel (or Abu Ishaq Ibrahim ibn Yahya Al-Zarqali ;)) was another Arabic astronomer of the middle ages to whom Copernicus acknowledged a debt.
		His crater may overlay Alphonsus' to the north, but his work underlies thyat crater's namesake; for his astronomical tables, the Toledan Tables, were later supplanted by the more accurate Alphonsine tables commissioned by Alphonsus, a medieval King of Spain, otherwise known as Alphonso the Tenth.
		Lying on the eastern floor of Arzachel is what appears to be a sinuous rille but which is in reality an arculate rille and a fracture of Arzachel's floor a portion of which, at least, formed in a similar way to the Straight wall.
	www.cityastronomy.com /ptolemy-article.htm (1842 words)

	Alphonsus (Site not responding. Last check: 2007-11-03)
		Situated near the centre of the Moon is a trio of large craters, Ptolemaeus, Alphonsus and Arzachel.
		Alphonsus is the middle of the 3 large craters in the centre of the photograph.
		Ptolemaeus is the large, flat-floored crater to the north of Alphonsus.
	www.montgomerycollege.edu /faculty/~mclark/public_html/alphon.htm (295 words)

	GundamOfficial :: Cosmic Era :: Glossary :: Locations
		Earlier in the war, the Grimaldi Crater marked the dividing line between ZAFT and Earth Alliance territory, and the lunar frontline was thus referred to as the Grimaldi Front.
		A crater on the far side of the moon where ZAFT established its own lunar base earlier in the war.
		This campaign ended with the battle at the Endymion Crater on June 2, C.E. 70, after which ZAFT withdrew from the moon and abandoned its lunar bases.
	www.gundamofficial.com /worlds/ce/background/glossary_locations.html (2676 words)

	Moon Society: Lunar Study and Observing Certificate
		Crater Alphonsus: [article] A large old crater from the Nectarian Period.
		Crater Copernicus: (2) (3) Excellent example of a complex crater from the Copernican Period.
		Crater Tycho:(2) One of the youngest complex craters on the Moon.
	www.moonsociety.org /certificate/certificate.html (3150 words)

	Arzachel - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-03)
		Al-Zarqali (in Arabic أبو أسحاق ابراهيم بن يحيى الزرقالي) (in full Abu Ishaq Ibrahim ibn Yahya Al-Zarqali, rendered as Arzachel in Latin; Azarquiel in Spanish and Italian), (1028–1087 AD), was a leading Arab mathematician and the foremost astronomer of his time.
		The Arzachel crater on the Moon is named after him.
		Arzachel was famous as well for his own Book of Tables.
	www.webwarper.net /ww/en.wikipedia.org/wiki/Arzachel (503 words)

	Yin and Yang moon shadows
		Moving along the terminator Alphonsis was rimmed on both walls by lightness, while the crater floor rilles were hidden in shadow.
		South of Arzachel, the walled plain Purbach was rimmed in shadow, the higher rocky middle darkly surrounded by light.
		Walter's crater walls were in shadow, as were the small craterlets within.
	observers.org /reports/98.07.01.html (330 words)

	Observation of the MOON - part I (Site not responding. Last check: 2007-11-03)
		Bright and/or ray-associated craters are usually recent events (at an astronomical time-scale), and not always correspond to the larger craters visible on the Moon.
		East of Herschel is the eroded crater Hipparchus.
		East of Ptolemaeus and south of Hipparchus is Albategnius, with its rim interrupted by the smaller crater Klein.
	astrosurf.com /cidadao/moon_obs.htm (2309 words)

	MC at home's Science Page
		I started taking a few photos the night of February 25, 2004 and here are a few of the Moon and a Saturn taken that night...
		Notice the rill running along side the little crater near the central peak.
		The crater Ptolemaeus is an amazing view under good seeing conditions.
	mywebpages.comcast.net /mwconte/meade_lpi.htm (334 words)

	dettagli lunari (Site not responding. Last check: 2007-11-03)
		In the n° 5 image the extremity of this hypothetic craters line are showing by A and B, and is in evidence as this is a little craters structures line in full shadow.
		In Gassendi crater is interesting to observe a concentric inside mountainous walls system respect to the main walls of this crater.
		In this images we can observe the Theophilus crater crossed by at least two furrows or difference in level who, crossed this crater from the NE and SE walls, are in sense of direction to the great mountainous central peak.
	www.rccr.cremona.it /monografie/luna/dettagli.htm (6039 words)

	SPACE.com -- Skywatcher's Guide to the Moon
		Along the terminator, which is the dividing line between the lit and unlit regions of the Moon, many craters stand out in sharp light and shadow.
		Most of the Moon's southern hemisphere is rugged and pockmarked with craters, including the bright ray crater Tycho.
		Its rim and floor are pitted with a variety of craters.
	www.space.com /spacewatch/moon_guide-3.html (915 words)

	Moon Observations
		I could also see Crater Herschel, which was north of this crater, and helped me to find Crater Ptolemaeus.
		This was visible with some effort and in addition to Crater Ptolemaeus, I also was able to see Crater Herschel and Crater Arzachel.
		The bend in the Rupes is easily visible, although not quite as long as the chart indicated.
	www.his.com /~pct/astronomy/lunar_log.html (1015 words)

	The Moon
		To its upper left is Sinus Iridum, or the Bay of Rainbows, with two small craters guarding the entrance of the bay, Helicon and Le Verrier.
		East of the crater Copernicus towards the center of the moon is Rille Hyginus (Hyginus Cleft), shown here in the center of the picture as a dark spirally feature.
		Theophilus is a beautiful crater to look at because of its mountain rdiges in the center.
	www.kalemis.com /moon.htm (634 words)

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