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Topic: Mare Humboldtianum

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	Mare Humboldtianum
		The basin material is of the Nectarian epoch, with the mare material being of the Upper Imbrian epoch.
		The Mare is seen quite clearly as a dark patch in the center of the photo.
		The lighter gray area to the southeast of the dark mare material is a region of hills within the basin.
	lunar.arc.nasa.gov /science/atlas/mare/mhumboldtianum.htm (113 words)

	Abingdon Astronomical Society- Members' Observations- Mare Humboldtianum (Site not responding. Last check: 2007-10-02)
		Mare Humboldtianum, imaged on 4 December 1998 at approximately 21:45 UT by Ian Smith.
		Mare Humboldtianum (Humboldt's Sea) is the darker grey feature adjacent to the edge of the terminator shadow, extending over the lower two thirds of its length.
		This mare is close to the NNE limb of the Moon's near side and measures 305 km by 410 km.
	www.abingdonastro.org.uk /mbobmhum.htm (109 words)

	Mare Humboldtianum - Wikipedia, the free encyclopedia
		Mare Humboldtianum is the dark patch at the center.
		The selenographic coordinates of this mare are 56.8° N, 81.5° E, and it has a diameter of 273 km.
		The Bel'kovich walled-plain spills over the northestern portion of Mare Humboldtianum, and the flooded crater 'Bel'kovich A' lies across the southwestern rim of Bel'kovich and part of the floor of the mare.
	en.wikipedia.org /wiki/Mare_Humboldtianum (296 words)

	Major Lunar Maria
		Second, the crust seems to be thicker on the lunar farside than on the nearside.
		They also explain why small mare patches are grouped together on the farside.
		Thus, mare volcanism is most likely inside these basins, especially where younger craters have dug into the basin floor.
	volcano.und.nodak.edu /vwdocs/planet_volcano/lunar/mare/mlm.html (216 words)

	Body
		Mare Humboldtianum, on the northeastern limb, is a small crescent-shaped sea some 300 km across, situated wholly on the near-side from 90°E to 70°E longitude.
		Mare Smythii is one of only six lunar maria known to possess a central mascon - a concentration of mass beneath the surface whose gravitational pull is enough to make Moon-orbiting spacecraft deviate slightly from their orbit.
		Mare Australe at the southeast limb is a circular sea around 1,000 km in diameter which is composed of a network of flooded dark-floored craters and plains.
	website.lineone.net /~petergrego/pajan97.htm (1588 words)

	MWApr98
		This is Mare Humboldtianum (Humboldt's Sea) presented excellently, having been brought into view by a whopping libration in longitude and latitude favouring the Moon's northeastern libration zone.
		Humboldtianum is a dark patch of lava filling an ancient impact basin whose extreme eastern floor extends onto the Moon's far-side.
		Later impacts have scarred Humboldtianum, a mass of light coloured eject from the crater Hayn overlies the western floor and the huge 200 km diameter crater Belkovich intrudes upon Humboldtianum's northeast flank.
	website.lineone.net /~petergrego/mwapr98.htm (577 words)

	Mare Humboldtianum: Definition and Links by Encyclopedian.com
		...Mare Humboldtianum Mare Humboldtianum Mare Humboldtianum (sea of Alexander von...to the east of Mare Frigoris.
		...Frigoris Sea of Cold 56.0N 1.4E 1596 Mare Humboldtianum Sea of Alexander von Humboldt 56.8N 81.5E 273 Mare Humorum...24.4S 38.6W 389 Mare Imbrium Sea of Showers 32.8N 15.6W 1123 Mare Ingenii Sea of Cleverness...
		Mare Humboldtianum (sea of Alexander von Humboldt) is located within the Humboldtianum basin, just to the east of Mare Frigoris.
	www.encyclopedian.com /ma/Mare-Humboldtianum.html (199 words)

	Lunar observing log: A 4-day-old Moon
		Mare Humboldtianum has a diameter of 160 km and lies on the northern half of the Moon, northeast of the walled crater Endymion.
		The Mare lies at the centre of a 600 km wide impact basin with several concentric mountain ridges, though the ridges are not as well defined as in the Orientale basin.
		The Humboldtianum basin is situated between Endymion and the lunar limb, and extends onto the far side of the Moon.
	www.backyard-astro.com /solar/moon/050114/moon.html (760 words)

	ch1
		The oldest mare materials to be recognized among the returned samples or on the basis of photogeologic mapping are early Imbrian in age.
		Mare areas are shown in fl, and terra or highland areas are shown without overprint as they appear on "The Earth's Moon" [courtesy of the National Geographic Society].
		In fact, the mare areas on the front side decrease in elevation from the west limb at Oceanus Procellarum to the east limb at Mare Smythii.
	www.hq.nasa.gov /office/pao/History/SP-362/ch1.htm (8070 words)

	Mare Humboldtianum
		Mare Humboldtianum (Latin for "sea of Alexander von Humboldt ") is a lunar mare located within the Humboldtianum basin, just to the east of Mare Frigoris.
		The selenographic coordinate s of this mare are 56.8° N, 81.5° E, and it has a diameter of 273 km.
		It is one of only two lunar mares that are named after people, the other being Mare Smythii, and is located along eastern the lunar
	www.seattleluxury.com /encyclopedia/entry/Mare_Humboldtianum (338 words)

	Fifteen-Sixteen Day Moon
		They are part of the rugged outer ring surrounding the curiously named Mare Orientale (Eastern Sea), a gigantic far-side feature which may be glimpsed under extreme libration.
		Across on the eastern side of the disc, northwards from the Mare Crisium by about twice its length is the distinctive dark ellipse of class 5 Endymion, similar in appearance to Grimaldi.
		Next to the terminator adjacent to Endymion lies another, dark area - this is the Mare Humboldtianum, the Humboldt Sea.
	www.inconstantmoon.com /day_16.htm (385 words)

	Amazon.com: "Mare Tranquillitatis": Key Phrase page (Site not responding. Last check: 2007-10-02)
		Mare Serenitatis (Sea of Serenity) adjoins Mare Imbrium in the north.
		To its south is Mare Tranquillitatis (Sea of Tranquillity), which branches southward into Mare Nectaris (Sea of Nectar) and southeast into Mare Fecunditatis (Sea of Fertility).
		Part of Mare Tranquillitatis is also visible northwest of Mare Fecunditatis, while Mare Nectaris peeks out from the terminator to its southwest.
	www.amazon.com /phrase/Mare-Tranquillitatis (382 words)

	1st Quarter Moon
		The topmost dark grey area is Mare Serenitatis, below which is Mare Tranquillitatis (Sea of Tranquility) the three other lunar seas (from right to left) are; Crisium, Foecunditatis, and Nectaris.
		Just to the right edge of the moon can be seen Mare Humboldtianum to the upper right, and Mare Marginis and Smyth II at about the 4 o'clock position.
		The two craters directly above Mare Nectaris are Theophilus (with the "bullseye" in the center) and Cryillus.
	www.imaginationbox.com /steve/astro/hlfmoon.htm (188 words)

	Cleverpedia, the ultimate encyclopedia (Site not responding. Last check: 2007-10-02)
		Humboldt sea) is eastern of the Mare Frigoris a moon sea of the moon within the Humboldtianum basin.
		The Mare Spumans (Latin for foaming sea) is southern a moon sea of the Mare Undarum on the moon.
		wave sea) is northern a moon sea of the Mare Spumans with the selenographischen coordinates 6 48 ' N 68 24 ' E and a middle diameter of 243 km.
	cleverpedia.com /sitemap1057 (1290 words)

	Lunar mare
		The Lunar maria (singular: mare) are large, dark, basaltic plains on Earth's Moon, formed by ancient basaltic flood eruptions caused by extremely large meteoroid impacts.
		They were dubbed maria, Latin for "seas", by early astronomers who mistook them for actual seas.
		A related set of features are the Lunar lacus, Latin for "lake", which are smaller basaltic plains of similar origin:
	www.ebroadcast.com.au /lookup/encyclopedia/lu/Lunar_mare.html (61 words)

	[No title]
		Mare Frigoris on the east and Oceanus Procellarum on the west occupy a broad depression across the near side in the map area.
		Humboldtianum basin materials The Humboldtianum basin near the east limb of the Moon is believed to be of middle Nectarian age, as Nectarian craters are both superposed on it and partly obliterated by it, and because its well-developed rings and ejecta blanket appear morphologically sharper than those of the Nectaris basin.
		MARE AND DARK MANTLE MATERIALS In the map area mare material is restricted mostly to the near side, where it forms Mare Imbrium, Mare Frigoris, Oceanus Procellarum, Mare Humboldtianum, and patches near the Humboldtianum basin.
	astrogeology.usgs.gov /Projects/PlanetaryMapping/DIGGEOL/moon/1062/lntxt.asc (6404 words)

	[No title] (Site not responding. Last check: 2007-10-02)
		For example, the Mare Imbrium and the Mare Frigoris appear under certain conditions to be of a dirty yellow-green hue, the central parts of the Mare Humorum dusky green, and part of the Mare Serenitatis and the Mare Crisium light green, while the Palus Somnii has been noted a golden-brown yellow.
		Others, again, of considerable area, as, for example, the Mare Serenitatis and the Mare Imbrium, are bounded more or less completely by curved borders, consisting of towering mountain ranges, descending with a very steep escarpment to their surface: thus in form and other characteristics they resemble immense wall-surrounded plains.
		The Mare Imbrium also affords an example of a ridge, which, though shorter, is nearly as prominent, in that which runs from the bright little ring-plain Piazzi Smyth towards the west side of Plato.
	www.moonpeople.com /html/books/elger.txt (17461 words)

	3towers Observatory Moon (Site not responding. Last check: 2007-10-02)
		Mare Humboldtianum is visible on the Northeast limb of the Moon East of Endymion.
		The Eastern portion of Mare Serenitatis is evident, mainly in shadow.
		Mare Fecunditatis is the large Mare occupying the left half of the image.
	www.3towers.com /3towersObservatoryMoon.htm (2067 words)

	Astronet > Angular Basin
		Hugging the northeastern edge of the Moon is a patch of mare at the center of the two-ring Humboldtianum impact basin.
		The entirety of Mare Humboldtianum is just barely on the nearside of the Moon, so favorable librations are necessary to see the area well.
		This image, centered over the Humboldtianum Basin, was acquired by the Galileo spacecraft while passing near the Earth-Moon system in 1992 to acquire a gravitational boost enroute to Jupiter.
	www.astronet.ru:8105 /db/msg/1200162 (399 words)

	mare (Site not responding. Last check: 2007-10-02)
		Een mare (meervoud: maria) op de Maan is n van de donkere vlekken die we zien op de Maan als we haar met het blote oog bekijken.
		In thoroughbred horse-racing, a mare is defined as a female horse more than four years old; in harness racing a mare is a female horse more than three years old.
		The male equivalent to a mare is called simply a horse, although in harness racing the term aged horse is also used.
	dict.vocamania.com /mare.aspx (898 words)

	Publications
		New ages of lunar mare basalts in Mare Cognitum, Mare Nubium, and Oceanus Procellarum.
		Earth-based multispectral observations of Mare Humorum and western Oceanus Procellarum: Geological and geochemical implications.
		Mare Humorum: Geochemische und geologische Interpretation multispektraler Bilddaten.
	www.uni-muenster.de /Planetologie/members/hiesinger/publications/index.html (2767 words)

	Hitchhiker's Guide to Rukl Chart II
		This small Mare is at the edge of the Moon and is very fore-shortened.
		It is labeled "A" in Rukl, I suppose that means Rukl's name for it would be Belkovich A. The entire rim of the crater was brightly lighted with its floor in amazingly dark shadow.
		There was a thin thread of dark shadow separating the lighted back rim of the crater from the peak that demarks the crater from the Mare.
	www.shallowsky.com /moon/ruklII.html (474 words)

	LUNA - ce se poate observa?
		Luna are un diametru aparent, foarte mare, in comparatie cu planetele, ce masoara 30' (1/2 grade).
		Mare Cognitum (Marea Cunoasterii) si Mare Insularum (Marea Insulelor) se afla situate la marginea Oceanus Procellarum.
		Mare Vaporum (Marea Vaporilor) si Mare Frigoris (Marea Frigului) se afla mai la nord.
	www.astroclubul.org /astroclub/romanian/luna_cs.html (970 words)

	Eyepiece -- The AAA Newsletter (Site not responding. Last check: 2007-10-02)
		A halo surrounded the Moon and Mars on November 14.
		The view of the Earth's Moon was remarkable on October 17 due to a favorable libration, allowing Mare Humboldtianum to be seen right on the terminator (lunar sunset line).
		Mare Smithii and Mare Marginalis were barely visible on November 14.
	www.aaa.org /aaaeye0512art3.htm (248 words)

	Learn more about Mare Humboldtianum in the online encyclopedia. (Site not responding. Last check: 2007-10-02)
		Learn more about Mare Humboldtianum in the online encyclopedia.
		Hint: Play with putting spaces before and after your words to see the different results you get.
		Mare Humboldtianum (sea of Alexander von Humboldt) is a lunar mare located within the Humboldtianum basin, just to the east of Mare Frigoris.
	www.onlineencyclopedia.org /m/ma/mare_humboldtianum.html (160 words)

	top of the lawn: October 2005
		Mare Undarum and Mare Spumans were dark and bold extending NE from Mare Fecunditatis, east of line between Mare Crisium and Mare Tranquillitatis.
		Speaking of the maria, opposing Mare Crisium is Mare Humorum.
		Mare Humorum was already east of the morning terminator and Schickard and Phocylides were prominent below.
	topofthelawn.blogspot.com /2005_10_01_topofthelawn_archive.html (9329 words)

	NexStar 50 Lunar Club Observation Log - Douglas E. Johnson
		Date Observed: 8/15/05 10:10 PM Comments: Very prominent crater close to terminator on northwest floor of Mare Humrorum with sharp rim, central peaks and craterlets (A) north wall and slightly north and west of A (B) Object: 17 - Giordano Bruno...
		Date Observed: 8/15/05 9:45 PM Comments: Bright area northeast region of Mare Tranquility witch could not be resolved into well-defined crater.
		Date Observed: 8/10/05 9:30 PM Comments: Large, well-defined crater- the 1st of a chain of three (Theophilus, Cyrillis, Catharina) lying at the western junction of Mare Nectaris and Sinus Asperitatis- with prominent terraced walls, smooth floor and prominent central peaks.
	www.nexstarsite.com /NS50ClubLogs/JohnsonDouglasLunar.htm (1690 words)

	index
		resolution photographs suggest some mare flows actually embay young craters and may thus be as young as 1 billion years.
		Mare Crisium(Sea of Crises), Mare Fecunditatis(Sea of Fecundity),
		Mare Fecunditatis (Sea of Fecundity), Mare Nubium (Sea of Clouds)…
	www.eso.org /outreach/eduoff/edu-prog/catchastar/CAS2002/cas-projects/bulgaria_moon_1 (3450 words)

	Observation of the MOON - part I
		Mare Vaporum (Sea of Vapours) and, further north, Mare Frigoris (Sea of Cold), lay between both hemispheres.
		Mare Serenitatis occupies the center of the above image.
		A part of Mare Tranquillitatis is seen at the lower-right corner while Mare Imbrium, still almost immersed in the shadow, appears at the left.
	astrosurf.com /cidadao/moon_obs.htm (2309 words)

	mw_home
		The Apollo 17 mission in December 1972 (illo: eastern Mare Serenitatis - PG)
		Lunar domes and the dome cluster near Hortensius (illo: Hortensius and domes - PG)
		Near limb Maria Humboldtianum and Orientale (illo: Mare Humboldtianum - PG)
	www.lunarobservers.com /mw_home.htm (276 words)

	Lunar observing report February 23th, 2004
		The mountains around Mare Crisium are beautifully lit by the Sun.
		This is Mare Humboldtianum (Rukl 7) with a diameter of 160 kilometres.
		To the southwest of Mare Humboldtianum lies the crater Mercurius (Rukl 15).
	www.backyard-astro.com /solar/moon/2004_02_23/20040223.html (807 words)

	Amazon.com: "Mare Frigoris": Key Phrase page (Site not responding. Last check: 2007-10-02)
		Indeed, the western two-thirds of Mare Frigoris appears to lie between two successive Imbrian Basin rings.
		The Humboldtianum and Marginis Basins are only partly flooded.
		It may be influenced by the second external trough of the Imbrium Basin, the same trough that underlies Mare Frigoris.
	www.amazon.com /phrase/Mare-Frigoris (344 words)

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