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	Theophilus (crater) - Wikipedia, the free encyclopedia
		Theophilus is a prominent lunar impact crater that lies between Sinus Asperitatis in the north and Mare Nectaris to the southeast.
		To the east is the smaller MÃ¤dler crater and further to the south-southeast is Beaumont crater.
		The largest impact crater of signifance on the wall is the small Theophilus B on the inside of the northwest rim.
	en.wikipedia.org /wiki/Theophilus_(crater) (291 words)

	Theophilus - Wikipedia, the free encyclopedia
		Theophilus is the name to which the Gospel of Luke and the Acts of the Apostles is addressed.
		Emperor Theophilus â” ( 829 â“ 842) a Byzantine emperor of the second of the Phrygian dynasty.
		Theophilus Presbyter â” ( 1070 â“ 1125) a Benedictine monk, metallurgist, and armourer.
	en.wikipedia.org /wiki/Theophilus (157 words)

	Courses in Astrophotography
		This 126km diameter impact crater is well noted for the overlying later impact that caused the formation of the crater Faraday (70km in diameter) toward upper left.
		This crater is 40km in diameter, and 3600m from the crater floor to rim.
		This is a well-known lunar impact crater 83km in diameter and lies on the eastern edge of the Mare Imbrium.
	www.damianpeach.com /lunar.htm (2453 words)

	Theophilus (crater) -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		Theophilus is a prominent lunar (Click link for more info and facts about impact crater) impact crater that lies between Sinus Asperitatis in the north and (Click link for more info and facts about Mare Nectaris) Mare Nectaris to the southeast.
		The rim of Theophilus crater has a wide, (A row of houses built in a similar style and having common dividing walls (or the street on which they face)) terrace d inner surface that shows indications of landslips.
		Most of the (Cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins) rays from this crater has been weathered away, although a few are still visible.
	www.absoluteastronomy.com /encyclopedia/T/Th/Theophilus_(crater).htm (431 words)

	ch5.6
		It is a 1 90-km- wide impact crater with a large, complex central peak that is offset from the apparent center of the crater.
		An intermediate population of craters on the dark mare shows that the mare surface is younger than the level areas of the peak complex but older than the freshly exposed steep slopes of the peaks.
		The preserved crater elements include a large segment of a raised rim, a partly preserved blanket of ejecta occupying depressions along the lower edge of the picture, and the tips of three centrally located peaks that presumably represent the top of a buried central peak complex.
	www.hq.nasa.gov /office/pao/History/SP-362/ch5.6.htm (3003 words)

	St. Pachomius Library (Site not responding. Last check: 2007-11-06)
		Theophilus of Alexandria had little tolerance for anything that was not Christian.
		When four Origenistic monks appealed to the Patriarch of Constantinople, Theophilus began to attack John Chrysostom and attended the Council of the Oak that deposed Chrysostom in 403.
		Theophilus is well known to astronomers because of its "central uplift", a mountain peak at the crater's centre.
	www.voskrese.info /spl/XfeofilAlex.html (335 words)

	Lunar Images III (Site not responding. Last check: 2007-11-06)
		Theophilus (100km) and Cyrillus (98km) are most frequently observed during the first quarter moon in the early evening.
		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.
	www.astroimaging.com /Lunarsmall3.htm (770 words)

	Theophilus (crater) - Result for Theophilus (crater) - Meaning of Theophilus (crater) - Definition of Theophilus ...
		eponym= Theophilus of Alexandria }} '''Theophilus''' is a prominent lunar impact crater that lies between Sinus Asperitatis in the north and Mare Nectaris to the southeast.
		To the east is the smaller Mädler (Lunar crater) Mädler crater and further to the south-southeast is Beaumont (crater) Beaumont crater.
		The rim of Theophilus crater has a wide, terrace d inner surface that shows indications of landslips.
	www.mauspfeil.net /Theophilus_%28crater%29.html (383 words)

	Apollo11
		The two large craters near the middle of the lower margin of the photograph are Theophilus and Cyrillus.
		The rim of Theophilus Crater truncates (cuts across) the rim of Cyrillus Crater, indicating that Theophilus is the younger crater.
		The sharp rimmed crater at the lower margin is Moltke.
	www.astrosurf.com /lunascan/Apollo11.htm (1041 words)

	ch7.2
		The crater is polygonal in outline, its rim is not raised, and its walls are relatively smooth.
		The straight rille grazing the crater is one of several concentric grabens in the dark border material and probably formed by extension as the lava sagged toward the basin center prior to emplacement of the central mare.
		The crater is largely filled by the younger mare unit; because the graben transects the crater rim and its trend is influenced by the crater, the graben is probably younger.
	www.hq.nasa.gov /office/pao/History/SP-362/ch7.2.htm (2307 words)

	Lunar Orbiter: Impact Crater Geology (Site not responding. Last check: 2007-11-06)
		Impact craters are produced by the collision of a meteorite or comet with the surface of the Moon, which ejects material and leaves behind a crater.
		The crater Tycho, 85 kilometers in diameter, is the youngest large impact crater on the Moon's nearside.
		This oblique view of the crater Theophilus, 100 kilometers in diameter, clearly shows both the central peak and terracing on the inner side of the crater wall.
	www.lpi.usra.edu /expmoon/orbiter/orbiter-craters.html (648 words)

	LPOD - 2005-05-10 - Lunar Photo of the Day
		Theophilus is one of the lunar superstars - a magnificent crater that attracts the attention of observers and imagers.
		The peaks of the same size crater Cyrillus (bottom left) are smaller and more rounded, but who knows how much of that may be related to being pummelled by Theo’s ejecta.
		The flat, relatively smooth floor in Theophilus probably includes target rocks melted by the energy of the impact that were ejected nearly vertically.
	www.lpod.org /LPOD-2005-05-10.htm (186 words)

	Observing the Sky » Serenity’s “Undulation”
		Crater Posidon (63 mi.) is a ring of white (rim) surrounding a nearly fl floor.
		Of similar contrast is small crater Menelaus in the Mare’s nothwest border.
		The west interior walls of the Aristotle and Eudoxus craters are already shaded.
	www.observingthesky.org /index.php?p=159 (269 words)

	Encyclopedia: Cyrillus (crater) (Site not responding. Last check: 2007-11-06)
		Intruding into the northeast rim is the equally-large, and younger Theophilus crater.
		To the southeast of Cyrillus is the heavily-worn remains of the crater Cyrillus F. To the northwest is Ibn Rushd crater.
		The rim of Cyrillus crater has been eroded, although it remains intact except where overlaid by Theophilus crater.
	www.nationmaster.com /encyclopedia/Cyrillus-(crater) (241 words)

	Science Fair Projects - Daguerre (crater)
		To the west-northwest is Mädler crater, and beyond it to the west is the prominent Theophilus crater.
		This feature has the appearance of a lunar crater that has been nearly submerged by a lava flow, leaving a gap in the southwest wall that gives the feature the appearance of a horse-shoe.
		The floor is overlaid by the linear ray from the Mädler crater.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Daguerre_(crater) (302 words)

	An Amateur's Moon Portfolio Of Lunar Drawings en Pictures pag 35
		Craters, impact basins and especially their ejecta deposits were excellent markers to distinguish between older and younger deposits and in this way unravelling the sequence of events making up the Moon’s geological history.
		Theophilus is superposed on Cyrillus meaning that the former is younger than the latter.
		Crater Archimedes for instance is filled and surrounded by lava, meaning that it is older than the surface lava floods of Mare Imbrium.
	users.telenet.be /lunarsite/pagina35.html (1159 words)

	My first pictures of moon
		The crater Catharina (4) is the oldest of the 3 craters.
		Theophilus is the youngest of this Trio, which can bei recognized by its intact barrier reaching into Cyrillus.
		Ghost craters are created in a normal way, but later have flooded by lava of the mare.
	homepages.tu-darmstadt.de /~ilgen/privat/hans/e-mondbilder.htm (698 words)

	Theophilus (Site not responding. Last check: 2007-11-06)
		The large crater with the central peak here is Theophilus.
		Both the rim and peak of this crater are unusually tall, reaching heights of about 3800 and 4400 feet respectively.
		The lighter colored band that enters the lower left-hand side of the picture and extends to around the center is an ejecta ray from the crater Tycho, which is located some 1200 kilometers away.
	home.comcast.net /~brianscott2002/astro/photos/theophilus.html (64 words)

	Five Day Moon (Site not responding. Last check: 2007-11-06)
		At its north-western end is the striking class 1 Theophilus, the northernmost of an imposing series of three ring mountains.
		To the south of these, running parallel with the Mare Nectaris at a distance of about its width is the Altai Scarp, a 300 mile long and up to 2 mile high cliff, part of which is still in darkness.
		At its south-eastern end is the class 1 crater Piccolomini.
	www.inconstantmoon.com /day_05.htm (248 words)

	Observing the Sky
		Crater Posidonius would have maximum relief, and the crater trio of Theophilus, Cyrillus, and Catherina would be eye-catching at 75x through a telescope.
		Craters as far west as 25 degrees east longitude should be “rising” out of the flat lunar canvas.
		The western interior terraced wall of Copernicus lay in shadow, and the craters of Tycho and Gauricus (79 km) are inkwells resembling Timocharis.
	www.observingthesky.org /index.php?m=200412 (6405 words)

	Observing the Sky » Moon: Day 5 - “Emerging Altai”
		Of the crater chain of Theophilus, Cyrillus, and Catherina, only the first of these is visible, along with the top of its central peak.
		Almost all of Posidon’s floor is sunlit, despite being so close to the terminator, and to the naked eye, the north terminator appears a little bent due to the apparent extension given it by the dark gray floor of Mare Serenity with this low sun angle.
		Across Mare Frigoris in the northern cusp, crater Gartner is subtle but appears to empty its contents into this vast area.
	www.observingthesky.org /index.php?p=459 (355 words)

	Moon Pictures, Moon Cycle (Site not responding. Last check: 2007-11-06)
		The craters Theophilus, Cyrillus and Catharina are the three big craters on the terminator.
		Northwest of the crater Tycho is the Marsh of Diseases!
		Craters are formed by meteoric impacts and the rays are formed by the debris blasted out of the crater by the impact.
	www.unexplainable.net /crap/b.html (1956 words)

	astroimage
		The heat caused by this impact melts the region to a slightly fluid state and the peak is sort of frozen in time as it recoils and cools just moments after impact.
		To the upper right of Theophilus is Madler, a small, rather insignificant crater that is only note worthy for the fact that its floor is totally in shadow.
		This appears as a slip fault where the right side is slightly lower than the left, possibly due to the sinking of the surface from the weight of the lava flow that makes up the large, smooth Mare Nectaris which extends off to the right into the night.
	astroimage.homestead.com /Moon_pg4.html (370 words)

	JSC Digital Image Collection (Site not responding. Last check: 2007-11-06)
		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.
	images.jsc.nasa.gov /luceneweb/caption_direct.jsp?photoId=AS11-42-6237 (112 words)

	Mars (Site not responding. Last check: 2007-11-06)
		Lunar sunset in the crater Vlacq (the dark one on the left) near the moon's eastern limb.
		Theophilus is a newer formation than the eroded crater Cyrillus to its immediate upper right.
		The well formed crater with a double central peak to its left is Madler with a diameter of 17 miles.
	www.machunter.org /hap_moon.html (263 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 (1168 words)

	nc_204
		On 1 July he observed the crater Walter on the morning terminator, showing a point of light indicating the top few metres of the summit of its central peak.
		Also that evening Bob caught the craters Autolycus and Aristillus on the sunrise terminator, the pair looking like two enormous fl pits and showing intricate ridges and furrows around their eastern outskirts.
		Grahame's observation of the Theophilus chain (Theophilus, Cyrillus and Catharina) on 16 May is a tour de force of lunar observational and drawing skill, a task that few of even the most ardent lunar observers would dare to take on.
	website.lineone.net /~petergrego/nc_204.htm (741 words)

	NexStar 50 Lunar Club Observation Log - Ken Munson
		Crater to the southwest, Cyrillus, appears to be older as it has at least one good impact crater on its floor and the walls appear more eroded, probably from small impacts.
		The crater appears to have been flooded with later flows, almost to the height of the crater rim.
		Shickard is a big crater to the northwest of Bailly and it has a distinctively dark floor with a band of bright material across the middle.
	www.nexstarsite.com /NS50ClubLogs/MunsonKenLunar.htm (1862 words)

	Dec04_01 (Site not responding. Last check: 2007-11-06)
		The large crater with three peaks is Theophilus, with Cyrillus the similar sized but shallower crater below it.
		The small crater to the right of Theophilus is called Madler, which is at the North end of Mare Nectaris.
		There is a sharply defined crater with a central peak to the left of Theophilus.
	www.geocities.com /betsymatosis/Dec04_01.html (106 words)

	Lunar Topography
		Craters are generally round depressions in the surface, caused by the impact of meteors or other space debris.
		Record the crater's diameter and the height of its walls using this image.
		At the edges of lunar maria, there are often damaged walls of craters formed before the maria.
	www.astro.washington.edu /labs/clearinghouse/labs/Lunartop/lunartop.html (595 words)

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