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Topic: Fracastorius (crater)

	Rosse (crater) at AllExperts
		Rosse is a bowl-shaped lunar impact crater located in the southern part of Mare Nectaris.
		To the southwest is the large, flooded Fracastorius crater.
		Low ridges in the maria lie between this crater and Fracastorius to the southwest.
	en.allexperts.com /e/r/ro/rosse_(crater).htm (194 words)

	Fracastorius (crater) - Wikipedia, the free encyclopedia
		Fracastorius is the lava -flooded remnant of an ancient lunar impact crater located at the southern edge of Mare Nectaris.
		The northern wall of this crater is missing, with only mounds appearing in the lunar mare to mark the outline.
		The Fracastorius crater has no central peak, but a long, slender rille runs across the middle of the floor in a generally east-west direction.
	en.wikipedia.org /wiki/Fracastorius_crater (197 words)

	Beaumont (crater) at AllExperts
		It lies to the northwest of the similarly-flooded Fracastorius crater remnant.
		To the west is the prominent Catharina crater.
		The rim of Beaumont crater is breached in the east, where the lava from Mare Nectaris broached the crater and flooded the interior.
	en.allexperts.com /e/b/be/beaumont_(crater).htm (202 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)

	Rosse (crater) - Wikipedia, the free encyclopedia
		Rosse is a bowl-shaped lunar impact crater located in the southern part of Mare Nectaris.
		To the southwest is the large, flooded Fracastorius crater.
		The interior of the crater has a higher albedo than the surrounding lunar mare, making it readily visible.
	www.wikipedia.org /wiki/Rosse_crater (126 words)

	Lunar Republic : Lunar Glossary and Dictionary
		craters, A typically bowl-shaped or saucer-shaped pit or circular depression, generally of considerable size and with steep inner slopes, formed on a surface or in the ground by the explosive release of chemical or kinetic energy; e.g., an "impact crater" or an "explosion crater".
		The ejecta blanket of a crater becomes less visible with increasing age of the crater.
		Highlands, The densely cratered portions of the Moon that are typically at higher elevations than the mare plains; often referred to as "terrae." The highlands contain a significant proportion of anorthosite, an igneous rock made up almost entirely of plagioclase feldspar.
	www.lunarrepublic.com /info/glossary.shtml (1802 words)

	moon (Site not responding. Last check: 2007-10-15)
		At the top of the circle are three small craters in a triangle, with a wavy line extending to the right.
		I have no idea what it is. The terminator is the darkness of shadow, and features as drawn here look much more 3-D and defined when near the terminator because of the shadows that accentuate their shapes.
		Fracastorius at the edge of the Mare is an ancient crater flooded by the lava flow which created the Mare.
	www.geocities.com /glyptodont_99/moon.html (471 words)

	TYCHO
		DAVID O. "Tycho is a well-formed crater in the southern uplands, 54 miles across, with high terraced walls and a central mountain complex.
		When it first emerges from the long lunar night it seems to be a perfectly normal bright crater, but gradually the rays come into view, until full moon they dominate the whole of the southern part of the disk.
		On the right is a “stretched” color mosaic of the crater, exaggerating the relatively blue reflectance of the central peak.
	www.ltpresearch.org /tycho1.htm (1455 words)

	Science Fair Projects - Beaumont (crater)
		It lies to the northwest of the similarly-flooded Fracastorius crater remnant.
		To the west is the prominent Catharina crater.
		The rim of Beaumont crater is breached in the east, where the lava from Mare Nectaris broached the crater and flooded the interior.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Beaumont_(crater) (315 words)

	Astronomy 102: Telescope Lab: Moon (Site not responding. Last check: 2007-10-15)
		Draw a sketch of the crater and the mountain in the center of the crater, and any other features that may be physically associated with the crater.
		Crater density and the relative ages of highlands and maria: One of the most important ways astronomers have learned about the moon, the history of the earth, and the history of the entire solar system is by ``crater counting,'' i.e.
		For example, a crater at the center would be at a distance of 0, a crater halfway between the center and the limb would be at 0.5 and one right on the edge would be at 1.0.
	www.physics.vanderbilt.edu /courses/F00/astr102/Labs/tl_moon.html (2328 words)

	Mare Nectaris (Site not responding. Last check: 2007-10-15)
		The crater Theophilus, on the northeastern side of the mare is of the Eratosthenian epoch.
		Thus, the crater is younger than the mare to its southeast.
		Enough subsistence has occured to open a few arcuates grabbens on the western margin of the mare.The crater in the lower center of the mare is Rosse.
	lunar.arc.nasa.gov /science/atlas/mare/mnectaris.htm (114 words)

	Observing the Sky » Moon; Day 19 - “Altai’s Inkwell”
		To the north, the craters of Aristotle and Eudoxus have thin crescents of darkness against their interior west sides.
		The craters of Fracastorius and Piccolomini are abyssmal “inkwells,” the latter from which rugged Rupes Altai runs northwestward from.
		Of the craters in the trio of Theophilus, Cyrillus, and Catherina, it is Theophilus that has a thick crescent of shade within (west side).
	www.observingthesky.org /index.php?p=754 (352 words)

	SPA Lunar Section - Intensity Estimations (Site not responding. Last check: 2007-10-15)
		The greatest detail can be seen just after a crater emerges from the terminator (or again two weeks later just before the terminator crosses back over that crater) because of the long shadows cast by all relief features.
		A drawing of a crater made under these conditions is a useful complement to one made when the crater is full of shadow near the terminator.
		The following craters should be included in the observing programme of anyone hunting for TLP (transient lunar phenomena) which often cause colour and intensity variations.
	www.popastro.com /sections/lunar/intens.htm (368 words)

	lunaday
		Despite being smack amidst the tortured topography of the southern lunar highlands, crater Tycho is perhaps the most obvious feature on the moon.
		The enormous oval crater Clavius, some 152x132 miles in size (243x211 km), is easily found on the Moon's southwest limb, not far from its south pole.
		Clearly circular, with a diameter of about 65 miles (104 km), the crater is considered by Cherrington as one of the ten most important landmark features on the Moon's near side.
	homepage.fcgnetworks.net /rduch/lunaday.htm (923 words)

	Fracastorius (crater) - Result for Fracastorius (crater) - Meaning of Fracastorius (crater) - Definition of ...
		eponym= Girolamo Fracastoro }} '''Fracastorius''' is the lava -flooded remnant of an ancient lunar impact crater located at the southern edge of Mare Nectaris.
		To the northwest of this formation lies the Beaumont (crater) Beaumont crater, while to the northeast is Rosse (crater) Rosse.
		There you find a list of all editors and the possibility to edit the original text of the article Fracastorius (crater).
	www.mauspfeil.net /Fracastorius_%28crater%29.html (261 words)

	Fracastobk (Site not responding. Last check: 2007-10-15)
		Fracastorius is 124 km wide and its northern wall is missing, its floor continuing into Mare Nectaris.
		Fracastorius is in the center of the left photo and top right of the right photo, the latter a cropped Lunar Orbiter image.
		The 12 km crater to the NE in the smooth mare is Rosse.
	www.astrosurf.com /lunascan/Fracastobk.htm (115 words)

	Lunar Certificate
		Several dark halo craters are found in Alphonsus, which are easier to see under high illumination.
		Crater Faraday: Crater from the Imbrium Period, placed here because of its relationships to both earlier (Stofler: Pre-Nectarian) and later (Faraday A and C) craters.
		Crater Wargentin: Unusual crater in that the lava which filled it rose to nearly the rim, which is above the surrounding lunar surface.
	www.amlunsoc.org /lunar_certificate.htm (2947 words)

	eratosthenian (Site not responding. Last check: 2007-10-15)
		The crater is 58 miles (93 km) across.
		Crater Theophilus: Â a complex crater with multiple central peaks, from the Eratosthenian Period.Â Along with Fracastorius (above), it demonstrates the geologic history of the region: as its...
		with the number of superposed impact craters on Moretus' floor - it is an older crater of Eratosthenian age.
	eratosthenian.networklive.org (317 words)

	Moon by John Punnett
		The crater is located in the SE corner and measures 53 miles X 53 miles and is about 13,600ft.
		The crater in the far north of the picture is known as crater Aristoteles and measures approximately 53 miles in diameter.
		The crater is approximately 60 miles in diameter and is the source of a great ray system that dominates the southern hemisphere (you can just see some of the rays on this image).
	homepage.ntlworld.com /john.punnett/moon.html (844 words)

	Hitchhiker's Guide to Rukl Chart 58
		Fracastorius is a "landmark" feature, easily recognized and useful for orientation.
		Just NW is an arc of three smaller craters of identical size (plus several more of assorted sizes) with overlay each other neatly like the bead on a weld.
		A very prominent ridge extends outward from Beaumont, near Fracastorius, which is clearly shown in Rukl's drawing but is not given a name.
	www.shallowsky.com /moon/rukl58.html (429 words)

	3towers Observatory - Lunar 100 Features 007 - 010
		Mare Nectaris is in the center of the image, and Fracastorius is the crater on the Southern edge of Mare Nectaris.
		Clavius is the large heavily shadowed crater near the bottom of the image.
		Above it is Maginus with smaller craters on its rim and in its interior.
	www.3towers.com /s3towers/Lunar100/Lunar100Features_007-010.asp (337 words)

	Gallery - Surface of the Moon from Apollo 11 - RedOrbit (Site not responding. Last check: 2007-10-15)
		An Apollo 11 oblique view of the large crater Theophilus located at the northwest edge of the Sea of Nectar on the lunar nearside.
		Visible in the background are the large crater Fracastorius and the smaller crater Beaumont.
		The coordinates of the center of this photograph are 29 degrees east longitude and 11 degrees south latitude.
	www.redorbit.com /images/gallery/apollo_xi/surface_of_the_moon_from_apollo_11/52/27/index.html (156 words)

	Moon shot 2 (Site not responding. Last check: 2007-10-15)
		The indentation at the bottom of the Mare is the crater Fracastorius which is missing its north wall with the floor continuing into the Mare.
		Tycho has the most extensive ray system of any crater on the moon, and in fact it not only is outside of this photo, but it is about halfway across the face of the moon from Mare Nectaris!
		Near the center bottom of the photo is a group of craters including (from lower to upper) Hageclus, Nearch, Rosenberger, Vlacq, Hommel (the largest one with a small white illuminated hill in the middle), and Pittcus.
	bicomnet.com /ritchieobs/pages/moon5983.htm (233 words)

	Astro Images
		Mare Frigoris, Mare Imbrium, craters Plato, Aristoteles, Eudoxus, and Casinni on 7/21/00
		Craters Theophilus, Cyrillus, and Catharina in waning gibbous phase on 11/15/00
		The Apennine and Caucasus Mountains with craters Cassini, Aristillus, Autolycus, Archimedes, and Manilius in waning phase on 8/21/00
	www.nwgis.com /greg/astimage.htm (1167 words)

	Observing log for BAA/ALPO members for April 2003 (Site not responding. Last check: 2007-10-15)
		The interior of the crater was a featureless stygian fl with the exception of a brilliant (intensity 9) thread of light that ran parallel to the illuminated east wall.
		The crater floor, particularly the eastern half, seemed very rough and was noticeably darker than the half to the west.
		With the Red 25 filter variations in shades on the crater floor were seen-the southwest and northern sections were lighter than the rest of the floor.
	www.cs.nott.ac.uk /~acc/Lunar/2003sep.htm (8400 words)

	Lake County Astronomical Society NightTimes
		Nearby is Fracastorius, an example of a crater that was flooded by molten magma which breached its north wall.
		Another way to demonstrate the relative ages of craters is when a crater has one or more other craters within it.
		This crater is so large, in fact, that in following the curvature of the moon’s surface, the center of the floor casts a shadow of its own.
	www.bpccs.com /lcas/Articles/moontour.htm (1020 words)

	Moon Society: Lunar Study and Observing Certificate
		Crater Copernicus: (2) (3) Excellent example of a complex crater from the Copernican Period.
		Crater Hortensius: [domes to the north] Excellent example of a simple crater.
		Crater Tycho:(2) One of the youngest complex craters on the Moon.
	www.moonsociety.org /certificate/certificate.html (3150 words)

	Astronet > Saturday, September 18, 2004
		Mike Wirths' new image was taken with a larger telescope (18" vs 11" for April 6) and at lower lighting - the result is that the resolution is slightly better and low features stand out more clearly.
		One of the fascinating new features not shown previously on LO IV or terrestrial images is a small mare ridge type structure (arrow on mouseover) on the left side of the crater floor.
		This ridge seems to connect to a short but steeper-sided elongated hill, which in turn seems to be partly embayed by a low dome that has an elongated summit crater.
	www.astronet.ru:8105 /db/msg/1200246 (232 words)

	3towers Observatory - Lunar 100 Features 021 - 030
		However, the equipment at the 3towers Observatory was used to image the Lunar 100, mainly using the web cam techniques detailed.
		Note the crater Langrenus and its rays (L85)lying on the Southeast corner of Mare Tranquilitatis.
		The large flat crater filled with lava is Julius Caesar.
	www.3towers.com /s3towers/Lunar100/Lunar100Features_021-030.asp (388 words)

	Moon Images
		The crater Tycho, 85 kilometers in diameter, is the youngest large impact crater on the Moon's nearside.
		The crater Theophilus is the youngest of the three, it is 100 kilometers in diameter.
		Crater with subsided and fractured floor on the edge of Mare Nectaris.
	www.aliot.com /Galleries/Moon/moon.htm (297 words)

	Dave's Astronomy Pictures - The Moon
		Humboldt is a spectacular crater but not often seen, because it lies in the zone of libration, which was favourable for Humboldt on this occasion, and furthermore is in the eastern edge, a side less frequently captured because you have to wait until after full moon.
		The southernmost part of the crater wall has been submerged into the lava of the Mare, and although most of Gassendi's crater floor is lighter than Mare Humorum, the part adjacent to this break in the wall is the same colour, apparently formed of lava spilling in from the south.
		On the north-east wall of the crater is Porter, a somewhat smaller crater with a central mountain.
	www.davesastro.co.uk /moon/moondetails.html (4464 words)

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