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	Lunar day - Wikipedia, the free encyclopedia
		In space exploration, a lunar day is the period of time it takes for the Moon to complete one full rotation on its axis with respect to the Sun.
		This is an average figure since the speed of the Earth-Moon system around the Sun varies slightly over a year, due to the eccentricity of the orbit; the Moon's own orbit also undergoes a number of periodic variations about its mean value because of the gravitational perturbations of the Sun.
		In lunar calendars, a lunar day or tithi is defined as 1/30 of a lunar month, or the time it takes for the longitudinal angle between the moon and the sun to increase by 12°.
	en.wikipedia.org /wiki/Lunar_day (251 words)

	Lunar Meteorites (Site not responding. Last check: 2007-10-20)
		The main thrust of his argument is that all the lunar meteorites were blasted off the Moon in the last ~20 million years (most in the last few hundred thousand years) and that there haven’t been enough “big” impacts on the Moon in that time to account for all the different lunar meteorites.
		Lunar meteorites that are mare basalts (e.g., NWA 032) or breccias composed mainly of mare material (EET 87521/96008) are poor in aluminum and rich in iron.
		Lunar Prospector mission (1998—99) have shown that all of the Apollo sites were in or near a unique and anomalously radioactive “hot spot” on the lunar nearside in the vicinity of Mare Imbrium.
	epsc.wustl.edu /admin/resources/moon_meteorites.html (3967 words)

	Matrix Astrology Software : Learn Astrology - Astrology Articles -The Lunation Cycle: East and West (Site not responding. Last check: 2007-10-20)
		A tithi or lunar day is the time it takes for the aspect between the sun and Moon (elongation, angular separation) to reach a multiple of 12 degrees.
		The only part of this that might be confusing is that the 30th lunar day (348º to 360º) is considered the new moon day, and the 15th lunar day (168º to 180º) is considered the full moon day; however, these days are celebrated the following day.
		In a similar vein, the days just prior to the full moon (the 13th and 14th) are also days of purification, days in which the various guardian and protector deities are again invoked, but in a somewhat more restrained way.
	www.thenewage.com /resources/articles/getarticle.asp?ID=172&orig= (3162 words)

	Lunar Menstrual Phase Locking
		Thus, each day in October was converted into the "day since new moon" and each day of the lunar cycle could now be represented as to the frequency with which women with 29.5+1 day cycles began menstruation.
		For example, if the lunar cycle were drawn as a clock that had 30 (rounded up from 29.5) "pie sectors", and a particular woman who did not have a 29.5 day cycle was charting her data, certain phenomena would emerge.
		If she plotted 6 cycles of her own on the 30 day clock, and the first cycle appeared at the full moon, then the next cycle would appear 5 days after the full moon and the third cycle would be 5 days later than, and so on.
	www.athenainstitute.com /lunarmpl.html (3315 words)

	A Day in the Life of the Moon
		Day 8 brings into view the rugged Appenine mountains, and to the north the oval walled plain Plato.
		These are the days (or rather nights) to turn your eyes, binoculars or telescopes to other wonders of the night sky: planets, comets, meteor showers and galaxies.
		A Clementine spacecraft mosaic of the lunar surface was mapped onto a sphere, and scenes were rendered as a virtual Sun "orbited" the Moon.
	www.geocities.com /CapeCanaveral/6389/Da_Moon.htm (1175 words)

	Lunar Rovers
		Lunar rovers were studied in a dizzying variety of sizes and shapes by NASA in the 1960's - including crawlers, trains, hoppers, and even worms.
		The Boeing Lunar Exploration Systems lunar rover design of November 1963 was for a multipurpose rover with a range of 480 km with a crew of 2 on a 8 day traverse.
		The Apollo Lunar Roving Vehicle was one of those sweet pieces of hardware that NASA and its contractors seemed to be able to develop so effortlessly during the short maturity of the Apollo programme.
	astronautix.com /craftfam/lunovers.htm (2169 words)

	Chapter 2: Design Approach and Constraints (Site not responding. Last check: 2007-10-20)
		Dust can be lifted off the lunar surface by thruster firings of the lander, impacts by non-microscopic meteoroids, and infrequent temporary raising of dust from the surface along the terminators (the boundaries between day and night) due to charging by solar ultraviolet radiation.
		In a lunar orbit, this number varies by approximately 1% from daybreak to nightfall, and drops to zero during the lunar night.
		At lunar dawn and dusk, an observer on the Moon would see a half-Earth; while in the middle of the lunar day, with the Sun behind the Earth, only a crescent would be visible; and during lunar midnight, the Earth would appear to be almost full.
	www.frc.ri.cmu.edu /projects/lri/Luna/report/des_approach.html (2305 words)

	Shawui Sabath
		The Nasarene Sabbath was a lunar Sabbath observed on the seventh, fourteenth, twenty first and twenty eighth day of the lunar month.
		But Sunday is the day on which we all hold our common assembly, because it is the first day on which God, having wrought a change in the darkness and matter, made the world; and Jesus Christ our Savior on the same day rose from the dead.
		Observance of the sabbath day was made illegal and observance of a "Sunday" of a fixed week was made mandatory for all except farmers.
	www.essene.com /B'nai-Amen/sabat.htm (2027 words)

	Lunar Moonths
		If the days of the week correspond to the four lunar quarters, then there are extra days at the end of each lunar month which are not counted amond the lunar quarters or lunar weeks.
		Since lunar days are determined by the visual presence of the lunar orb, its absence during the Dark Moon represents a time of penance and darkness not counted among the lunar weekdays of the 28 illuminated days.
		And then it sets and enters [the … gate and is covered during the rest of] this day in its entirety and all the rest of its light is removed and its disc emerges, devoid of all light, hidden by the s[un …;.".
	www.essene.com /Church/month.htm (809 words)

	Roman to Julian Conversion: AUC 813 = AD 60
		Since markets were held in a series of towns on each day in the cycle, a change to the market day in one town would either require it to be swapped with that of another town or for the whole cycle to be delayed a day or more.
		This might suggest we are looking for the 14th day in a 31 day month with an Ides on the 13th that was followed by a month with an Ides on the 15th.
		The 30 days of the lunar month are organised as two columns of 14 days and 2 extra days, a structure which clearly shows the relationship of the lunar month to the sabbatical week.
	www.geocities.com /christopherjbennett/ptolemies/chron/roman/ad60.htm (1788 words)

	NOAA National Ocean Service Education: Tides and Water Levels
		Almost everyone is familiar with the concept of a 24-hour solar day, which is the time that it takes for a specific site on the Earth to rotate from an exact point under the sun to the same point under the sun.
		Similarly, a lunar day is the time it takes for a specific site on the Earth to rotate from an exact point under the moon to the same point under the moon.
		The lunar day is 50 minutes longer than a solar day because the moon revolves around the Earth in the same direction that the Earth rotates around its axis.
	www.nos.noaa.gov /education/kits/tides/tides05_lunarday.html (269 words)

	APOD: 2004 October 27 - Total Lunar Eclipse Tonight (Site not responding. Last check: 2007-10-20)
		Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
		Tonight's eclipse is easy and convenient for much of the world to see.
		World Series Lunar Eclipse: Live TV shot makes this eclipse possibly the most seen live eclipse ever.
	antwrp.gsfc.nasa.gov /apod/ap041027.html (179 words)

	Welcome to GSB Konkani
		In the case of Lunar calendar, which follows the course of the moon, the Lunar day or the ‘tithi’ is from one moon-rise to the next one.
		The lunar month has 30 days and going by the waning and waxing of the moon, the month is divided into two fortnights called Krishna Paksha (Bahula is another name) and Shukla Paksha (Shuddha).
		The Lunar Calendar does not want to go alone and wants to catch up with the movement of the sun and stars and so to coquilles after every three years adds a month called Adhik Mas or an additional month which can be called a leap month.
	www.gsbkonkani.net /fastandfestivals.htm (1376 words)

	NASA - Lunar Eclipse
		This is the second lunar eclipse of 2003.
		Lunar eclipses are considered total when the moon passes completely into Earth's umbral shadow.
		And just in case you're wondering what this lunar eclipse might look like from the moon, read the short science fiction story "Lunar Eclipse 2105" from Science@NASA.
	www.nasa.gov /vision/universe/watchtheskies/04nov_lunareclipse2.html (736 words)

	The Apollo 15 Flight Journal - Day 4: Lunar Encounter
		In the early days, it was thought that the crew could don suits, helmets, and gloves within 5 minutes - which was the requirement for the design specification leak rate in the CSM caused by a puncture.
		[Lunar rock samples from earlier missions were found to contain traces of uranium and thorium, two elements which through their radioactivity, decay to form radon-222 and radon-220 among other elements.
		If the Lunar Orbit Insertion burn is not performed, we should acquire the spacecraft signal at 78 hours, 46 minutes, 43 seconds; if we have a nominal LOI burn, we should acquire at 78 hours, 55 minutes, 09 seconds.
	history.nasa.gov /ap15fj/09day4_lunar_encounter.htm (18340 words)

	LunarPhase V2.70
		The Julian Day, Day Number, Week Number (and Day/Week numbers in ISO format) and the number of days till Christmas for any date on the calendar can be viewed by right-clicking on the date in question.
		A lunar eclipse occurs when the Earth moves between the Sun and the Moon such that the three bodies are in line and the Moon moves into the Earth's shadow.
		Lunar eclipses can only occur when the moon is near full and can be seen from anywhere on Earth where the moon is above the horizon.
	www.nightskyobserver.com /LunarPhase (7232 words)

	Buy Moon Property! An Acre On The Moon From The Lunar Registry
		Through our alliance with the Lunar Republic Society and the Kennedy II Project, we are on a fast track to return to the Moon by the end of this decade.
		Officially authorized by the Lunar Republic Society, the leading advocacy group for private ownership of the Moon, and in accordance with the Lunar Settlement Initiative, your land claim purchase benefits the
		Lunar Republic SA and may not be used without permission.
	www.lunarregistry.com (419 words)

	Pregnancy Today Resources - Calculate how many lunar months pregnant you are with our calculator!
		Some people use a calendar month as a measure: if your LMP (last menstrual period) was on the 5th of January, you're 1 month pregnant on Feb 5th, 2 months on March 5 and so on.
		In this case, a standard 280 day pregnancy (dating from LMP to EDD) is 10 months long!
		A true lunar month is 29.5306 days long (29.5 for our calculations here).
	pregnancytoday.com /resource/themonths.htm (224 words)

	Geomancy.Net: Feng Shui Articles -> Inconsistent 8 characters
		Your Lunar date of birth is the 8th month of the Lunar year 1981 and the on the 10th day.
		It is interesting to note that the practise of using `mix' Lunar and Hsia originated from Hong Kong practitioners.
		But the interesting thing here is that it became (in my opinion) inaccurate as a result of using Lunar (Year); Hsia (Month) then Lunar (Day) and Lunar (Hour).
	www.geomancy.net /resources/forum-archive/9661.htm (1085 words)

	Moon Society: Missions
		Solar electric propulsion with 16-month transfer orbit; lunar photographic survey from polar elliptic orbit (300 km close approach); 370 kg (810 lb)
		Shuttle launch, ISS assembly; ion-engine transfer (30-45 days); lunar photography at 1 meter or better resolution; panoramic video for science center display
		From the recommendations of the 2002 decadal "New Frontiers in the Solar System" report, high on the list was sample return from the Moon's South Pole-Aitken Basin.
	www.moonsociety.org /2003-kb/missions-2003-04.html (198 words)

	Tithis in Jyotish, the Lunar Calendar, Panchang (Site not responding. Last check: 2007-10-20)
		You see, the Lunar calendar is tied to TWO PLANETS interactions, and these take place WHEN THEY WANT and have nothing to do with what day it is where.
		So, tithis actually start for the whole world at the exact same moment, but that is on a different day and time on different parts of the country or earth because we all have our clocks set relative to our sunlight day.
		Mahadwadashi means "Great Dwadashi" and as far as I know it is simply the name for the Dwadashi where Ekadashi is honored- "regular dwadashi" or the "12th lunar day" is called "Great 12th lunar day" when it gets to carry the Ekadashi celebrations because Ekadashi was "lost" that month as previously described.
	www.goravani.com /lessons/Tithis.html (1220 words)

	LPOD - Lunar Photo of the Day - February 14, 2004 (Site not responding. Last check: 2007-10-20)
		Valentine's Day, named for a martyred Roman saint (who sent his jailer's daughter a note signed, "From your Valentine") is associated with hearts.
		Naturally, the heart-like shape of this low relief dome in northwestern Mare Serenitatis inspired famed lunar artist Alika Herring to name it the Valentine Dome.
		With a diameter of 30 km, the Valentine Dome is one of the widest on the Moon, but its low (and so far unmeasured) height makes it a challenge to observe.
	www.lpod.org /archive/2004/02/LPOD-2004-02-14.htm (270 words)

	The Apollo 15 Flight Journal - Apollo 15 - Day 4: Lunar Orbit
		[When discussing lunar geology, it is important to make a distinction between the mare, which are the large areas of basalt responsible for the dark markings over the lunar surface, and the basins, which often provide the supporting structure for the layers of mare basalt.
		Compare this to the film used aboard the Lunar Orbiter probes of 5 years earlier which was rated at only 2 ASA to give it some tolerance to radiation in the lightweight construction of that pioneering series of spacecraft.
		As the spacecraft cycles between lunar night and day, a supplemental cooling system mounted on the SM uses the evaporation of water in a vacuum to carry away excess heat, essentially dealing with the temperature peaks.
	www.hq.nasa.gov /office/pao/History/ap15fj/10day4_lunar_orbit.htm (20502 words)

	LPOD - 2005-05-31 - Lunar Photo of the Day (Site not responding. Last check: 2007-10-20)
		These rocks have not been exposed to micrometeorite bombardment long enough to become darkened by the creation of iron-rich glass.
		Hill, at 16km diameter and a depth of 3.3 km is one of the largest lunar simple craters.
		Lunar Orbiter IV images show it to have a wider floor with some broad mounds of material that have avalanched down the rim, shallowing the floor.
	www.lpod.org (454 words)

	APOD: 2003 November 7 - November's Lunar Eclipse (Site not responding. Last check: 2007-10-20)
		APOD: 2003 November 7 - November's Lunar Eclipse
		lunar eclipses go, this will be a brief one though, with the total phase lasting only about 25 minutes.
		The orientation and relative size of the Earth's shadow and the Moon's trajectory are illustrated in this thoughtful animation showing the full Moon moving up from the lower right, entering the penumbra or outer portion of the shadow region, and then passing well below the center of the darker inner shadow region or umbra.
	antwrp.gsfc.nasa.gov /apod/ap031107.html (195 words)

	NOAA's National Ocean Service: Animation of lunar day
		This occurs because the moon revolves around the Earth in the same direction that the Earth is rotating on its axis.
		Since the Earth rotates through two tidal “bulges” every lunar day, we experience two high and two low tides every 24 hours and 50 minutes.
		High tides occur 12 hours and 25 minutes apart, taking six hours and 12.5 minutes for the water at the shore to go from high to low, and then from low to high.
	www.nos.noaa.gov /education/kits/tides/media/supp_tide05.html (138 words)

	Lunar phases web tool. 1. (Site not responding. Last check: 2007-10-20)
		The time of day depends on how much the observer has rotated with respect to the Sun.
		The purpose of this web site is to introduce you to a lunar phases diagram which you can use to solve these kinds of problems.
		First, there are three tutorial pages that explain the elements of the lunar phases diagram one-by-one.
	www.calvin.edu /~lmolnar/moon (356 words)

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