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Topic: Alpetragius (crater)

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	Arzachel
		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)

	Minerals
		It is typical of the highly cratered, ancient terrae or uplands that occupy nearly 85 percent of the Moon's surface.
		It is a large, ancient crater, 250 km in diameter, with numerous younger and smaller craters superposed on its rim and flat floor.
		The dark halo craters on the eastern (left) side were the target of the Ranger 9 spacecraft, the last of three successful Ranger missions that impacted the Moon more than 7 years before this photograph was taken.
	www.jnanam.com /moon.htm (4220 words)

	Alpetragius (crater) - Wikipedia, the free encyclopedia
		Alpetragius is a lunar impact crater located on the east edge of Mare Nubium, to the southwest of the much larger Alphonsus crater.
		In the southeast is the prominent Arzachel crater, and to the west lies the flooded Lassell crater.
		An arc of craterous depressions from the south rim of Alphonsus crater curses to the west, dividing Alpetagnius from Arzachel crater.
	en.wikipedia.org /wiki/Alpetragius_(crater) (284 words)

	Ranger 9
		The crater adjacent to Alphonsus at the bottom is the 39 km diameter Alpetragius.
		The intersecting crater rims exhibit a chaotic, mountainous terrain, in sharp contrast to the flat crater floors.
		The upraised area at lower center is the central peak of Alphonsus crater floor.
	www.unm.edu /~abqtom/ranger9.htm (363 words)

	moon
		Note the crater called Conon in the 5th and 6th images.
		Arzachel with its central 1500m high mountain and tiny crater next to it lies left of centre.
		The crater Aristillus in the centre has three mountains of 900m height in its centre.
	members.aol.com /astrophotos/moon201104.html (448 words)

	Lunar Features (Site not responding. Last check: 2007-10-12)
		The region from the crater Copernicus (at the bottom) to Plato (at the top), taken on the 19th March 2005.
		The small crater in the bottom left of the image is called Bancroft, and to the north are the Montes Spitzbergen.
		To the east are the craters Herschell, Ptolemaeus and Alphonsus.
	www.russellstreetobservatory.co.uk /lunar_features.html (236 words)

	CRATERS ARZACHEL & MAGINUS (Site not responding. Last check: 2007-10-12)
		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)

	Associazione Lunar Explorer Italia - Fotografie ed Immagini della Luna, Marte, Il Sistema Solare e l'Universo - Before ...
		Bruce Crater and Sinus Medii-59 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-86 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=5 (1013 words)

	[No title]
		In general, the larger craters are older than the smaller ones.
		Some craters like Maskelyne (M) have extensive aprons of ejected debris that further contribute to the roughness of mare surfaces.
		Thus the picture shows the characteristic events of late lunar history-the sporadic formation of impact craters concurrent with volcanic eruptions that form lava plains, hills, and ridges.
	www.apolloexplorer.co.uk /books/sp-362/ch2.htm (3310 words)

	a01
		Alpetragius wrote about the motion of the planets among the stars and tried to explain these through the invention of spiral motions.
		Abd al-Rhaman Al-Sophi was born on the 7.
		Johan Julius Åstrand was born on the 22.
	www.plicht.de /chris/a01.htm (3969 words)

	Atik 2HS Lunar Photos
		Crater Birt and Rima Birt and Rupes Recta at edge of Mare Nubium, shallow crater Thebit, prominent Arzachel with Rimae Arzachel visible at right on the crater floor, crater Alpetragius with central massif, above.
		Crater Burg sits near the center of Lacus Mortis, Rimae Burg at upper left.
		Mare Crisium, Crater Messier and Messier A at lower left.
	www.lafterhall.com /atik2hs_lunar.html (290 words)

	Alphonsus
		Alphonsus is a large, famous crater near the center of the lunar nearside, and is one of lunar observers’ perennial favorites.
		The crater is in the middle of the Lunar Snowman arrangement of three craters.
		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.
	jeff.medkeff.com /astro/lunar/r_ptolemaeus/alphonsus (1854 words)

	Cratere Alpetragius (Site not responding. Last check: 2007-10-12)
		Il cratere Alpetragius è situato tra Ptolemaeus ed Alphonsus sul margine orientale del mare Nubium, vasta distesa pianeggiante di 220.000 kmq di superficie.
		The Alpetragius crater is located between Ptolemaeus and Alphonsus craters on the eastern margin of the Nubium sea, a large flat plain with 220.000 kmq.
		In this region there is the Rupes Recta, a structure to delimit a difference in level of the lunar ground of 300 mts height and 150 kms lenght.
	www.rccr.cremona.it /monografie/luna/aalpetra.htm (120 words)

	Peter Lloyd's Lunar Pages (Site not responding. Last check: 2007-10-12)
		It is a little younger than the craters to the north at about 3,900 million years.
		The floor is flat with a central mountain 1500 metres high with a small crater on its southern slopes.
		Alpetragius, 41 Km in diameter, is very deep at 3900 metres, and has a large central mountain.
	homepage.ntlworld.com /peter.lloyd3/Moon/Craters/Arzachel040906.html (279 words)

	Ranger 9 (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-12)
		This crater was excavated in the floor of Alphonsus on March 24, 1965, by the Ranger 9 spacecraft.
		The final impact point of Ranger 9 is in the Alphonsus crater, midway between the central peak and rim at about 1:30.
		The image, taken on 20 February 1965, shows the floor of Alphonsus crater and is centered at 12.8 S, 2.3 W. The frame is about 2.5 km across and north is at 12:30.
	www.astrosurf.com.cob-web.org:8888 /lunascan/Ranger9.htm (1017 words)

	Informat.io on Lassell
		It lies to the west of the Alpetragius crater, and southwest of the Alphonsus walled-basin.
		The interior of Lassell crater has been flooded and resurfaced by lava, leaving a nearly flat surface with a low remaining outer rim.
		The tiny crater 'Lassell D' is located to the west-northwest of Lassell, about half way toward the ruined Guericke crater.
	www.informat.io /?title=lassell (236 words)

	Moon
		On the boundary of the two is the larger crater Plinius with the smaller Dawes in the centre.
		The crater to the left of the fault line is Birt, with the larger crater Thebit to the right.
		Craters Pythagoras (i.), Babbage (ii.) and Oenopides (iii.) Pythagoras is 128km in diameter, rim height is 5km.
	www.computing.dundee.ac.uk /acprojects/venus/moon2.htm (340 words)

	Moon
		Craters Alphonsus and Alpetragius (the small one at its right).
		This image of the Alpine Valley with its rille running along its entire length was taken the 2002.05.20 at around 17.40 UT, that is in daylight conditions, nevertheless the MK67 was capable of picking up the elusive rima.
		Craters Ptolemaeus, Alphonsus and Arzachel (plus Herschel on top and Thebit on bottom and Alpetragius in the middle).
	www.geocities.com /andreatax/moon.htm (271 words)

	ch2
		AS17-150-22959 (H) FIGURE 20 [left].-The very large "twin crater" in this southward-looking oblique view is Van de Graaff, approximately 250 km in length.
		AS16-2478 (M) FIGURE 25 [above].-This south-looking oblique view shows three of the best-known features of the near-side central highlands: the alined craters Ptolemaeus (P), partly in view in the foreground; Alphonsus (A), in the center, and Arzachel (Arz) beyond.
		AS15-2618 (M) ] Figure 31 [left].- During the various Apollo missions, the west limb of the Moon was in shadow behind the terminator and could not be photographed.
	www.hq.nasa.gov /office/pao/History/SP-362/ch2.htm (4287 words)

	Observation of the MOON - part II
		Crater superimposition is quite a common event in regions with high crater density, namely in the southern highlands, and deserves observation.
		Craters such as these are best seen when close to the terminator, that is with low-angle illumination.
		West of Rupes Recta is crater Birt and, further west, Rima Birt.
	www.astrosurf.com /cidadao/moon_obs_02.htm (416 words)

	Observing The Sky » Moon: Day 8 - “Clavius’s Splendor” (Site not responding. Last check: 2007-10-12)
		Further south, all of crater Maginus (116 mi.) is sunlit, having a uniform light-gray floor, but the attention grabber has to be 144 mi.
		Two small craters on this crater floor have sunlit elevated rims visible only, while the extensive east rim casts a deep shadow across 1/4 of the opposite side.
		The small craters of Timocharis (33.5 km) and Parry are fl inkwells, with only the tops of their interior west rims catching sunlight.
	www.lpod.org /ots/?p=264 (428 words)

	Alphonsus (crater) - Wikipedia, the free encyclopedia
		These dark-halo craters are cinder cone-shaped and are believed by some to be volcanic in origin, although others think they were caused by impacts that excavated darker mare material from underneath the lighter lunar regolith.
		The floor is covered with many craters of various sizes, some sharp and hence new, others less distinct and partly filled with fragmented material.
		Three craters are surrounded by dark halos and were produced by eruptions from the lunar interior.
	en.wikipedia.org /wiki/Alphonsus_crater (606 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		Risalendo lungo il margine occidentale in direzione nord incontriamo Kies, un cratere di 44 km di diametro la cui struttura è quasi completamente sepolta sotto i materiali che ricoprono anche il mare Nubium.
		In proximity of large part of the east margin of this large plain raise the bastions of the walls around to one crater series of large diameter: from north to south we have Ptolemaeus 140 km, Alphonsus 110 km, Arzachel 104 km, Purbach 120 km, Regiomontanus 130 km.
		From this last crater is beginning a furrow, the Hesiodus rhyme, than it is developed in direction of palus Epidemiarum. Going back along the western margin in direction north we meet Kies, a crater of 44 km of diameter whose structure nearly is completely buried under the materials that cover also the Nubium sea.
	www.rccr.cremona.it /monografie/luna/nubium.doc (711 words)

	[No title]
		IKW 33 Posidonius 31.98 29.88 95.00 Crater Flooded crater.
		Baily A 48.56 31.44 16.00 Crater Baily B 50.87 35.22 7.00 Crater Baily K 51.37 30.60 3.00 Crater Balandin -18.90 152.60 12.00 Crater A. A.; Soviet Chemist (1898-1967).
		Becvar -1.90 125.20 67.00 Crater Antonin; Czechoslovakian Astronomer (1901-1965).
	www3.telus.net /public/aling/lunarcal/Lushgaz.txt (2606 words)

	Observing The Sky » Moon: Day 8 - “Hints of Timocharus”
		At 75x, the lunar terminator is found at 12 degrees west longitude - to the west edge of the deep crater Eratosthenes.
		To the south, crater Tycho is barely into view, but as a round “inkwell.” The rays leading to it so well during a near full Moon are not well seen to it now.
		Already, the subtle crater of Hipparchus has “melted” back into the lunar surface with more direct sunlight, but small Alpetragius (40 km) is almost completely shaded within, being some 3900 meters deep!
	www.lpod.org /ots/?p=465 (471 words)

	AST2100L Labs Page
		calculate the true diameter of the crater in kilometers (km).
		Four very different craters are labeled A thru D. Describe how each is different.
		Crater in Arizona is ~0.17 km deep and ~ 1.6 km wide) ?
	www.fiu.edu /~folcika/astronomy/MOON.html (1367 words)

	Associazione Lunar Explorer Italia - Fotografie ed Immagini della Luna, Marte, Il Sistema Solare e l'Universo - Before ...
		The final impact point of Ranger 9 is in the Alphonsus Crater, midway between the central peak and rim at about 1:30 (Ranger 9, A001)".
		Approaching Alphonsus Crater-55 visteCaption NASA originale:"Ranger 9 image of Alphonsus Crater (diameter 108 Km) from a distance of 442 Km, taken about 3 minutes before impact in the upper right portion of the crater.
		The "floor" of Alphonsus Crater (3" before impact)-59 visteCaption NASA originale:"Last image taken by the Ranger 9 wide-angle A-camera about 3 seconds before impact.
	www.lunexit.it /gallery/thumbnails.php?album=60&page=5 (1071 words)

	Observations of objects of type "Moon"
		To the north, the rim of crater Hind Z was prominently illuminated.
		Tonight, I observed the lunar rays eminating from the different craters of the moon.The crater tycho has several large rays eminating from it, including one ray that covers half of the moon's surface.Copernicus and kepler's ray systoms are very complicated.
		Or was the brightening of crater Torricelli B a true TLP and not the result of a chance alignment of the sun, earth, and moon?
	www.lies.com /aaol/view_obs.cgi?count=25&type=mo (3075 words)

	Al-Bitruji (Alpetragius), Died 1204 C.E. (Site not responding. Last check: 2007-10-12)
		Nur al-Din Ibn Ishaq Al-bitruji, known in the West as Alpetragius, was born in Morocco.
		It is a crater twenty-six miles in diameter in the eighth section of the lunar chart.
		It has a small conical peak at its center and its terraced perpendicular walls and surrounding plain shine with noticeable brightness.
	www.unhas.ac.id /~rhiza/saintis/bitruji.html (184 words)

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