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	Lunar Orbiter to the Moon (1966 - 1967)
		Five Lunar Orbiter missions were launched in 1966 through 1967 with the purpose of mapping the lunar surface before the Apollo landings.
		Lunar Orbiter 4 photographed the entire nearside and 95% of the farside, and Lunar Orbiter 5 completed the farside coverage and acquired medium (20 m) and high (2 m) resolution images of 36 pre-selected areas.
		Lunar Orbiter 4 image of the Moon centered on the Mare Orientale Basin.
	nssdc.gsfc.nasa.gov /planetary/lunar/lunarorb.html (413 words)

	Lunar Orbiter 1
		The Lunar Orbiter 1 robotic (unmanned) spacecraft, part of the Lunar Orbiter Program, was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.
		Lunar Orbiter 1 took the first two remote images of earth from the distance of the Moon, August 23 rd 1966.
		The spacecraft was tracked until it impacted the lunar surface on command at 7 degrees N latitude, 161 degrees E longitude (selenographic coordinates) on the Moon's far side on October 29, 1966 on its 577th orbit.
	www.seattleluxury.com /encyclopedia/entry/Lunar_Orbiter_1 (501 words)

	ch9-6
		The Lunar Orbiter's camera made a telephoto exposure through the 610 mm lens of the crater from a long, low, oblique angle to the lunar surface when lighting conditions were optimum for best contrast.
		Lunar Orbiter II ended its photographic acquisition on November 26, 1966, and flight controllers concluded the readout on December 7.
		Lunar Orbiter II demonstrated its ability to obtain high-quality oblique photography of the near and far side of the Moon.
	history.nasa.gov /TM-3487/ch9-6.htm (1055 words)

	Honeysuckle Creek
		Lunar Orbiter I was launched from Cape Kennedy Launch Complex 13 at 1526 EDT on 10 August 1966, the Atlas-Agena D launch vehicle injecting the spacecraft into its planned 90-hour trajectory to the moon.
		Lunar Orbiter I achieved its mission objectives, and, with the exception of the high-resolution camera, the performance of the photo subsystem and other spacecraft subsystems was outstanding.
		At one stage Lunar Orbiter V was manoeuvred to reflect sunlight from its solar panels and underside mirrors with the reflected rays to be photographed by telescopes on Earth.
	www.honeysucklecreek.net /msfn_missions/preparingforapollo/Lunar_Orbiter/hl_lunar_orbiter.html (4685 words)

	Lunar Orbiter
		The Lunar Orbiters’ primary mission was to obtain topographic data in the lunar equatorial region between 43° E and 56° W to help in the selection of suitable landing sites for the unmanned Surveyor and manned Apollo missions.
		With this objective achieved by Lunar Orbiter 3, the remaining two flights were able to carry out further photography of lunar surface features for purely scientific purposes.
		Lunar Orbiter 4 photographed the entire nearside and 95% of the farside; Lunar Orbiter 5 completed the farside coverage and acquired medium (20 m) and high (2 m) resolution images of 36 pre-selected areas.
	www.daviddarling.info /encyclopedia/L/Lunar_Orbiter.html (243 words)

	USGS Astrogeology: Lunar Orbiter Mission
		Five Lunar Orbiter missions were launched in 1966 and 1967 to study the Moon.
		Lunar Orbiter 4 photographed the near-side and 95% of the far-side of the Moon.
		Lunar Orbiter 5 completed the photography of the far-side and collected medium and high resolution imagery of 36 preselected regions.
	astrogeology.usgs.gov /Missions/LunarOrbiter (189 words)

	SPACE.com -- Lunar Prospector Data to Yield New Moon Maps (Site not responding. Last check: 2007-10-28)
		Scientists are embarking on a two-year project to turn the data acquired by the Lunar Prospector into a detailed series of global maps of the moon's surface composition, polar water ice deposits and magnetic fields.
		Lunar Prospector was launched in January 1998 on a 19-month mission to map the Earth's moon once every 14 days.
		Although the Russians and Americans have mapped the moon, including the latter's early Ranger and Lunar Orbiter missions, much study of Earth's lone natural satellite remains to be done.
	www.space.com /news/lunar_mapping_991028.html (672 words)

	NASM Space Artifacts: Lunar Orbiter
		The Lunar Orbiter was one of the three types of unmanned spacecraft series designed to scout the moon and its environment before the Apollo team of astronauts descended to the lunar surface.
		Orbiters conducted an intense survey of the surface of the moon during 1966 and 1967 to aid in the selection of a safe landing site.
		In addition to their primary photographic task the orbiters were designed to monitor the strength of the radiation field and the density of micrometeorites in the moon's vicinity.
	www.nasm.si.edu /research/dsh/artifacts/SS-LunarOribter.htm (756 words)

	Lunar Orbiter
		The Lunar Orbiter spacecraft would be capable of photographing the moon from a distance of 22 miles above the surface.
		Lunar Orbiter II was launched at 6:21 p.m.
		Lunar Orbiter II mission as of November 28 indicated that the first phase of the photographic mission was completed when the final photo was taken on the afternoon of November 25.
	www.astronautix.com /craft/lunbiter.htm (2042 words)

	Bill Keel's Space Bits - Tracking Lunar Orbiter V
		As a counterpoint to telescopic observations of the Apollo lunar missions, it turns out that there were earlier observations of spacecraft in lunar orbit.
		Lunar Orbiter IV was put into a high orbit (typically 3350 km above the surface), virtually completing the mapping mission, so mission V was put into a substantially lower orbit for high-resolution images of selected areas.
		The Lunar Orbiters were themselves responsible for some remarkable spectacular photographs - the first view of Earth above the stark lunar surface (I-101H2), a low-angle view of Copernicus (66-H-1470 or II-162H3) that brought home the extent of relief on the Moon, and the overhead view of the Mare Orientale impact basin (IV-187M).
	www.astr.ua.edu /keel/space/lunorbiter.html (653 words)

	Lunar Orbiter program - Wikipedia, the free encyclopedia
		The Lunar Orbiter program was a series of five unpiloted Lunar orbiter missions launched by the United States in 1966 through 1967 with the purpose of mapping the lunar surface before the Apollo landings.
		Lunar Orbiter 4 photographed the entire nearside and 95 % of the farside, and Lunar Orbiter 5 completed the farside coverage and acquired medium (20 m) and high (2 m) resolution images of 36 pre-selected areas.
		The main bus of the Lunar Orbiter had the general shape of a truncated cone, 1.65 metres tall and 1.5 m in diameter at the base.
	en.wikipedia.org /wiki/Lunar_Orbiter (929 words)

	Lunar Orbiter 1
		A detailed description of the experiment, a bibliography, and indexes of all the available Lunar Orbiter 1 through 5 photos are contained in the report 'Lunar Orbiter Photographic Data,' NSSDC 69-05, June 1969.
		The Lunar Orbiter 1 spacecraft carried 20 micrometeoroid detectors, located on the tank deck periphery, for the detection of micrometeoroids in the lunar environment.
		The principle purpose of the Lunar Orbiter radiation measuring systems was to monitor, in real time, particle fluxes that would damage processed film in case of major solar cosmic-ray events.
	www.solarviews.com /eng/orbiter1.htm (972 words)

	Die Lunar Orbiter
		Lunar Orbiter waren nicht die ersten amerikanischen Mondorbiter.
		Lunar Orbiter 1 hatte die Aufgabe die 10 primären Landeregionen zu fotografieren.
		Lunar Orbiter 1 erfasste 9 primäre und 7 sekundäre Landeplätze und 11 Regionen der Mondrückseite.
	www.bernd-leitenberger.de /lunar-orbiter.shtml (3533 words)

	Lunar Orbiter Program
		The Lunar Orbiter program, initiated in early 1964, consisted of the investigation of the Moon by five identical unmanned spacecraft.
		Of the 1654 Lunar Orbiter photographs, 840 depict areas photographed on the basis of Apollo program requirements and were obtained primarily during missions 1, 2, and 3.
		The remaining 814 photographs were taken primarily during missions 4 and 5 and included 703 of the lunar nearside, 105 of the lunar farside, and 6 of Earth.
	www.lpi.usra.edu /expmoon/orbiter/orbiter.html (611 words)

	NASA - Mysterious Lunar Swirls
		Lunar swirls are strange markings on the Moon that resemble the cream in your coffee—on a much larger scale.
		Lunar Orbiter II -- one of the first spacecraft to obtain up-close images of lunar swirls
		Lunar Prospector -- In the 1990s, magnetometers onboard this NASA spacecraft surveyed the Moon, confirming and expanding the results of the Apollo 15 and 16 subsatellites.
	science.nasa.gov /headlines/y2006/26jun_lunarswirls.htm?list109322 (1048 words)

	Lunar Prospector
		Lunar Prospector was a robotic moon orbiter designed to determine the origin, evolution, and current state of resources of the Moon via low-altitude mapping of its surface composition, magnetic fields, gravity fields, and gas release events.
		The Lunar Prospector was designed for a low polar orbit investigation of the Moon, including mapping of surface composition and possible polar ice deposits, measurements of magnetic and gravity fields, and study of lunar outgassing events.
		Data from the 1 to 3 year mission will allow construction of a detailed map of the surface composition of the Moon, and will improve understanding of the origin, evolution, current state, and resources of the Moon.
	www.astronautix.com /craft/lunector.htm (780 words)

	Lunar Orbiter 4 (Site not responding. Last check: 2007-10-28)
		"Lunar Orbiter-D" NSSDC ID: 67-041A Description: Lunar Orbiter 4 was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.
		It was stabilized in a three-axis orientation by using the sun and the star Canopus as primary angular references.
		The spacecraft was used for tracking purposes until it impacted the lunar surface due to the natural decay of the orbit no later than October 31, 1967, between 22--30 degrees W longitude.
	lunar.arc.nasa.gov /history/timeline/info/orbiter401.htm (244 words)

	NASA's Solar System Exploration: Missions: By Year: 1960 - 1969: Lunar Orbiter
		Five Lunar Orbiter missions were launched in 1966 through 1967 with the purpose of mapping the lunar surface before the Apollo landings.
		All five missions were successful, and 99% of the Moon was photographed with a resolution of 60 m or better.
		The images at the top of the page show the Lunar Orbiter spacecraft with the high and medium resolution cameras at the center, and an image of the crater Tycho taken with the Lunar Orbiter 5 medium resolution camera.
	solarsystem.nasa.gov /missions/profile.cfm?Sort=Chron&StartYear=1960&EndYear=1969&MCode=LunarOrb (183 words)

	ch11-2
		Lunar Orbiter Program officials would adjust the positions of sites A-9 and A-10 to combine two blocks of photography for greater surface coverage of the area in which the unmanned spacecraft had touched down.
		Lunar Orbiter II photographs of Site II P-6 do not have the problem of crusts and lava tubes as young areas such as Site II P-2 most likely have.
		The process of screening the Lunar Orbiter data is given in the diagram on the next page.
	www.hq.nasa.gov /office/pao/History/TM-3487/ch11-2.htm (995 words)

	Lunar Orbiter to the Moon (1966 - 1967)
		The fourth and fifth missions were devoted to broader scientific objectives and were flown in high-altitude polar orbits.
		Lunar Orbiter 4 photographed the entire nearside and 95 percent of the farside, and Lunar Orbiter 5 completed the farside coverage and acquired medium (20-meter or 660-foot) and high (2-meter or 6.6-foot) resolution images of 36 pre-selected areas.
		The Lunar Orbiters had an ingenious imaging system, which consisted of a dual-lens camera, a film processing unit, a readout scanner, and a film handling apparatus.
	www.solarviews.com /eng/lunarorb.htm (251 words)

	Lunar Orbiter 1, 2, 3, 4, 5
		The Lunar Orbiters were all eventually commanded to crash on the Moon before their attitude control gas ran out so they would not present navigational or communications hazards to later Apollo flights.
		The Lunar Orbiter program was managed by NASA Langley Research Center at a total cost of roughly $200 million.
		At an altitude of 46 km, which was approximately the perilune height, the HR system photographed a 4.15- by 16.6-km area of the lunar surface which was centered on a 31.6- by 37.4-km area photographed by the MR system.
	www.skyrocket.de /space/doc_sdat/lunar-orbiter.htm (812 words)

	Lunar Orbiter 1 (Site not responding. Last check: 2007-10-28)
		"Lunar Orbiter-A" NSSDC ID: 66-073A Description: The Lunar Orbiter 1 spacecraft was designed primarily to photo- graph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.
		The spacecraft was placed in a cislunar trajectory and injected into an elliptical lunar orbit for data acquisition.
		The spacecraft was tracked until it impacted the lunar surface on command at 7 degrees N latitude, 161 degrees E longitude (selenographic coordinates) on October 29, 1966.
	lunar.arc.nasa.gov /history/timeline/info/orbiter101.htm (238 words)

	[No title]
		In the end, the first orbiter was launched on September 28, 1971, at which time the Soviet manned lunar mission plans were collapsing.
		During this time the probe mapped the lunar gravitaty field of the nearside, measured the micrometeorite flux and the magnetic field of the Moon and of the interplanetary space, in cooperation with Mars-2 and -3, then orbiting Mars, Venera-7 and -8 in solar orbit and Prognoz-1 and -2 in Earth orbit.
		However, the Soviets announced in 1978 that new lunar missions were on the pipeline, including a new E-8LS orbiter, to be placed in a 100 km high orbit for a detailed mapping mission.
	utenti.lycos.it /paoloulivi/e8ls.html (1088 words)

	Lunar Reconnaissance Orbiter
		Lunar Reconnaissance Orbiter (LRO) is a measurement-driven lunar orbiter mission.
		The Lunar Reconnaissance Orbiter Mission is being developed by NASA in response to NASA's New Vision for Space Exploration which President Bush's announced in January 14, 2004.
		Lunar Reconnaissance Orbiter is the first lunar mission planned to achieve this goal and will be the first in a wave of robotic probes that will pave the way for future human to return to the moon.
	www.aerospaceguide.net /lunar.html (294 words)

	Digital Lunar Orbiter Photographic Atlas of the Moon
		The Lunar Orbiter Photographic Atlas of the Moon by Bowker and Hughes (NASA SP-206) is considered the definitive reference manual to the global photographic coverage of the Moon.
		The images contained within the atlas are excellent for studying lunar morphology because they were obtained at low to moderate Sun angles.
		The digital Lunar Orbiter Atlas of the Moon is a reproduction of the 675 plates contained in Bowker and Hughes.
	www.lpi.usra.edu /resources/lunar_orbiter (268 words)

	[[ Lunar Reconnaissance Orbiter ]]
		The Lunar Reconnaissance Orbiter (LRO) is the first of the Lunar Precursor and Robotic Program (LPRP) missions, planned for launch by late Fall 2008 and will orbit the Moon nominally 1 year.
		Important topics such as the lunar exploration strategy, robotic and human collaboration, launch systems and operations, science, opportunities for international participation, commercial opportunities, and education and public outreach were discussed.
		July 28, 2006 - NASA announced the award of launch services for the Lunar Reconnaissance Orbiter mission to Lockheed Martin Commercial Launch Services Inc. The spacecraft are scheduled for launch aboard an Atlas V 401 rocket from Complex 41 at Cape Canaveral Air Force Station during a launch window that opens on Oct. 31, 2008.
	lunar.gsfc.nasa.gov (457 words)

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