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- Lunar_Orbiter_program abstract "The Lunar Orbiter program was a series of five unmanned lunar orbiter missions launched by the United States from 1966 through 1967. Intended to help select Apollo landing sites by mapping the Moon's surface, they provided the first photographs from lunar orbit.All five missions were successful, and 99% of the Moon was mapped from photographs taken with a resolution of 60 meters (200 ft) or better. The first three missions were dedicated to imaging 20 potential manned lunar landing sites, selected based on Earth-based observations. These were flown at low inclination orbits. 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 9% of the far side, and Lunar Orbiter 5 completed the far side coverage and acquired medium (20 m (66 ft)) and high (2 m (6 ft 7 in)) resolution images of 36 pre-selected areas. All Lunar Orbiter craft were launched by an Atlas-Agena D launch vehicle.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. Both lenses, a 610 mm (24 in) narrow angle high resolution (HR) lens and an 80 mm (3.1 in) wide angle medium resolution (MR) lens, placed their frame exposures on a single roll of 70 mm film. The axes of the two cameras were coincident so the area imaged in the HR frames were centered within the MR frame areas. The film was moved during exposure to compensate for the spacecraft velocity, which was estimated by an electro-optical sensor. The film was then processed, scanned, and the images transmitted back to Earth.During the Lunar Orbiter missions, the first pictures of Earth as a whole were taken, beginning with Earth-rise over the lunar surface by Lunar Orbiter 1 in August, 1966. The first full picture of the whole Earth was taken by Lunar Orbiter 5 on 8 August 1967. A second photo of the whole Earth was taken by Lunar Orbiter 5 on 10 November 1967.".
- Lunar_Orbiter_program thumbnail Lunar_orbiter_1_(large).jpg?width=300.
- Lunar_Orbiter_program wikiPageExternalLink NASASP242_GuideToLunarOrbiterPhotographs.pdf.
- Lunar_Orbiter_program wikiPageExternalLink LunarOrbiterDigitization.
- Lunar_Orbiter_program wikiPageExternalLink lunarorb.html.
- Lunar_Orbiter_program wikiPageExternalLink 19710026703_1971026703.pdf.
- Lunar_Orbiter_program wikiPageExternalLink 19770016195_1977016195.pdf.
- Lunar_Orbiter_program wikiPageExternalLink Byers_1977_DestinationMoon_NASATM_X-3487.pdf.
- Lunar_Orbiter_program wikiPageExternalLink LO_Archive.html.
- Lunar_Orbiter_program wikiPageExternalLink solarsystem.nasa.gov.
- Lunar_Orbiter_program wikiPageExternalLink profile.cfm?MCode=LunarOrb.
- Lunar_Orbiter_program wikiPageExternalLink lunbiter.htm.
- Lunar_Orbiter_program wikiPageExternalLink top.htm.
- Lunar_Orbiter_program wikiPageExternalLink www.lpi.usra.edu.
- Lunar_Orbiter_program wikiPageExternalLink orbiter.html.
- Lunar_Orbiter_program wikiPageExternalLink RPIF.
- Lunar_Orbiter_program wikiPageExternalLink lunar_orbiter.
- Lunar_Orbiter_program wikiPageExternalLink lopam.pdf.
- Lunar_Orbiter_program wikiPageExternalLink lunarorbiter.
- Lunar_Orbiter_program wikiPageExternalLink explorer.cgi?map=Moon&layers=moon_lo&west=-180&south=-90&east=180&north=90¢er=0&defaultcenter=on&grid=none&stretch=auto&projection=SIMP&advoption=NO&info=NO&resolution=2.
- Lunar_Orbiter_program wikiPageExternalLink LOIRP.
- Lunar_Orbiter_program wikiPageID "99492".
- Lunar_Orbiter_program wikiPageRevisionID "602538427".
- Lunar_Orbiter_program after "None, see contemporaneous program Surveyor".
- Lunar_Orbiter_program before Ranger_program.
- Lunar_Orbiter_program hasPhotoCollection Lunar_Orbiter_program.
- Lunar_Orbiter_program subject Category:Lunar_Orbiter_program.
- Lunar_Orbiter_program subject Category:Missions_to_the_Moon.
- Lunar_Orbiter_program type Abstraction100002137.
- Lunar_Orbiter_program type Group100031264.
- Lunar_Orbiter_program type Mission108403225.
- Lunar_Orbiter_program type MissionsToTheMoon.
- Lunar_Orbiter_program type NongovernmentalOrganization108009834.
- Lunar_Orbiter_program type Organization108008335.
- Lunar_Orbiter_program type SocialGroup107950920.
- Lunar_Orbiter_program type YagoLegalActor.
- Lunar_Orbiter_program type YagoLegalActorGeo.
- Lunar_Orbiter_program type YagoPermanentlyLocatedEntity.
- Lunar_Orbiter_program comment "The Lunar Orbiter program was a series of five unmanned lunar orbiter missions launched by the United States from 1966 through 1967. Intended to help select Apollo landing sites by mapping the Moon's surface, they provided the first photographs from lunar orbit.All five missions were successful, and 99% of the Moon was mapped from photographs taken with a resolution of 60 meters (200 ft) or better.".
- Lunar_Orbiter_program label "Lunar Orbiter program".
- Lunar_Orbiter_program label "Lunar Orbiter".
- Lunar_Orbiter_program label "Lunar Orbiter".
- Lunar_Orbiter_program label "Lunar Orbiterprogramma".
- Lunar_Orbiter_program label "Program Lunar Orbiter".
- Lunar_Orbiter_program label "Programa Lunar Orbiter".
- Lunar_Orbiter_program label "Programma Lunar Orbiter".
- Lunar_Orbiter_program label "Programme Lunar Orbiter".
- Lunar_Orbiter_program label "Лунар орбитер (программа)".
- Lunar_Orbiter_program label "ルナ・オービター計画".
- Lunar_Orbiter_program label "月球軌道計畫".
- Lunar_Orbiter_program sameAs Program_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Lunar_Orbiter_programa.
- Lunar_Orbiter_program sameAs Programme_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Program_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Programma_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs ルナ・オービター計画.
- Lunar_Orbiter_program sameAs Lunar_Orbiterprogramma.
- Lunar_Orbiter_program sameAs Program_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs Programa_Lunar_Orbiter.
- Lunar_Orbiter_program sameAs m.0pddl.
- Lunar_Orbiter_program sameAs Q583625.
- Lunar_Orbiter_program sameAs Q583625.
- Lunar_Orbiter_program sameAs Lunar_Orbiter_program.
- Lunar_Orbiter_program wasDerivedFrom Lunar_Orbiter_program?oldid=602538427.
- Lunar_Orbiter_program depiction Lunar_orbiter_1_(large).jpg.
- Lunar_Orbiter_program isPrimaryTopicOf Lunar_Orbiter_program.