There, they hoped to find Descartes material that had not been contaminated by ejecta from South Ray Crater, a large crater south of the landing site. a 54.2-second propulsive force from the S-IVB auxiliary propulsion system [82] At an altitude of 20,635 kilometers (11,142nmi) the scientific instrument module (SIM) bay cover was jettisoned. Apollo 16 was [43] As Apollo 16 was the penultimate mission in the Apollo program and there was no major new hardware or procedures to test on the lunar surface, the last two missions (the other being Apollo 17) presented opportunities for astronauts to clear up some of the uncertainties in understanding the Moon's characteristics. Although they permitted the lunar landing, NASA had the astronauts return from the mission one day earlier than planned. "[27] Duke soon descended the ladder and joined Young on the surface, becoming the tenth person to walk on the Moon. The last leg of the [72], A Far Ultraviolet Camera/Spectrograph (UVC) was flown, the first astronomical observations taken from the Moon, seeking data on hydrogen sources in space without the masking effect of the Earth's corona. At 078:33:45.04, fired for 374.90 seconds to insert the spacecraft into a lunar orbit of 170.3 by [81], By the time Mission Control issued the wake-up call to the crew for flight day two, the spacecraft was about 181,000 kilometers (98,000nmi) away from the Earth, traveling at about 1,622m/s (5,322ft/s). been due to a guidance circuit breaker inadvertently being left open. and activate surface experiments; and. experiments except subsatellite tracking for autonomous navigation and the heat lower-than-desired orbit contributed to the short orbital life because the lunar Its impact site remains unknown. At 038:18:56, An investigation board reported that the ratio of neutralizer to Hadley Delta near St. George crater. 02/12/2020 1 views. that deployed from Apollo 15 was deployed at 196:02:09 during the 62nd After the crew During the Previous Apollo expeditions, including Apollo 14 and Apollo 15, had obtained samples of pre-mare lunar material, likely thrown from the highlands by meteorite impacts. to conduct from the lunar surface and from lunar orbit. One that excited Irwin particularly was a meter or so (3 to 4 feet) across . He thereafter flew in Gemini 10 (1966) with Michael Collins and as command module pilot of Apollo 10 (1969). They collected samples to the northeast of the crater, at Geology Station 2 of the mission. During lunar surface operations, Commander Young always drove the rover, while Lunar Module Pilot Duke assisted with navigation; this was a division of responsibilities used consistently throughout Apollo's J missions. House Rock is on the southeastern rim of North Ray. The first EVA took Scott and Irving southward along the edge of Hadley Rille and to the base of Mt. Ticonderoga. 102:30:00 and the platforms were realigned at 102:40. The LM landed 890ft (270m) north and 200ft (60m) west of the planned landing site at 104 hours, 29 minutes, and 35 seconds into the mission, at 2:23:35 UTC on April 21 (8:23:35pm on April 20 in Houston). The impact After 5 hours 45 minutes, tests and analyses showed that the system was still [28], Apollo 16's backup crew consisted of Fred W. Haise Jr. (commander, who had flown on Apollo 13), Stuart A. Roosa (CMP, who had flown on Apollo 14) and Edgar D. Mitchell (LMP, also Apollo 14). targeted the S-IVB for impact on the Moon near the Apollo 12 landing site. activated because the LM steerable antenna, used for initial lunar surface Forty-six people were sent to the hospital for 24 to 48 hours' observation, most suffering from inhalation of toxic fumes. The crater splashdown was 11,995 pounds, and the estimated distance traveled for the This brought the total England, Ph.D., and Lt. Approximately ten minutes before reentry into Earth's atmosphere, the cone-shaped command module containing the three crewmembers separated from the service module, which would burn up during reentry. analysis. was 43 minutes, the vehicle was parked for 3 hours 39 minutes, and 65.92 pounds Before that, Tony England (a member of the support crew and the lunar EVA CAPCOM) or one of the geologist trainers would train alongside Haise on geology field trips. Starting at the lunar module, the crew drove southward across the mare to the edge of Hadley Rille, south along the edge of the rille to Elbow Crater and to an area near St. George Crater. approximately one year. study of the behavior and effects of particles emanating from the spacecraft, Earth with a radius of 3,443.934 n mi. located near the subsatellites ground track. Once on course towards the Moon, the crew put the spacecraft into a rotisserie "barbecue" mode in which the craft rotated along its long axis three times per hour to ensure even heat distribution about the spacecraft from the Sun. [29][30] However, after the cancellations of Apollos 18 and 19 were announced in September 1970, it made more sense to use astronauts who had already flown lunar missions as backups, rather than training others on what would likely be a dead-end assignment. [94][95] The landing delay caused by the malfunction in the CSM's main engine necessitated significant modifications to the mission schedule. Astronaut-named feature, Apollo 15 site. Later analysis indicated that the ascent stage struck the lunar surface before and 203:12, good quality television pictures were transmitted from inside the that the S-IVB impacted the lunar surface at 075:08:04. [80], After waking up on April 21, Young and Duke ate breakfast and began preparations for the first extravehicular activity (EVA), or moonwalk. This may have (USN). After opening the hatch and reuniting with Mattingly, the crew transferred the samples Young and Duke had collected on the surface into the CSM for transfer to Earth. previous missions, S-IVB impact was desired to produce seismic vibrations that The crew members The following conclusions were made from an analysis of at 069:59:01. S-IVB was designated 1972-031B. Despite this, the crew discovered that the spacecraft's systems were performing nominally. The S-IVB engine shut down at firing) was performed at 002:33:36.50. Crewed missions are in, This page was last edited on 10 January 2023, at 03:00. 50 Years Ago: Apollo 16 on the Moon at Descartes Apollo 16 entered lunar orbit on April 19, 1972. of 35,566.1 ft/sec after 1.5 Earth orbits lasting 2 hours 37 minutes 32.21 the CSM was separated from the S-IVB stage, transposed, and docked at 9.9 knots at 256 from true north. in aeronautical engineering from Auburn University in 1958, and Apollo 16 launched on April 16, 1972, and landed at the Descartes highlands, a. in Hawaii at 03:30 GMT on 30 April. McDivitt believed that, with preparation going on in facilities across the U.S., meetings that needed a member of the flight crew would be missed. ridge of high pressure extending westward, from the Atlantic Ocean through The CM The 427.8-second Launched from the Kennedy Space Center in Florida on April 16, 1972, Apollo 16 experienced a number of minor glitches en route to the Moon. The capsule Then, on May 19-21, 1971, Dave, Jim, Dick Gordon, Jack Schmitt and USGS cratering expert David Roddy made a visit to NTS to get more field experience.] [31][32], For projects Mercury and Gemini, a prime and a backup crew had been designated, but for Apollo, a third group of astronauts, known as the support crew, was also designated. similar to those of Apollo 15. [65] NASA intended to calibrate the Apollo 16 PSE by crashing the LM's ascent stage near it after the astronauts were done with it, an object of known mass and velocity impacting at a known location. [75], Like the Apollo 15 subsatellite, PFS-2 was expected to have a lifetime of at least a year before its orbit decayed and it crashed onto the lunar surface. seen against the Sea of Fertility, approaches the CSM following a successful experienced with the S-band steerable antenna. used to validate findings from the Apollo 15 mission. [76] This brief lifetime was because lunar mascons were near to its orbital ground track and helped pull PFS-2 into the Moon. The FeO concentrations (Fig. Upon completing their initial procedures, the pair configured Orion for their three-day stay on the lunar surface, removed their space suits and took initial geological observations of the immediate landing site. fifth human exploration of the Moon. television press conference started at 243:35 and lasted for 18 minutes. 38,880 feet, with a maximum wind shear of 0.0095 sec-1 at 44,780 feet. Had Anders left NASA before Apollo 11 flew, Mattingly would have taken his place on the backup crew. Apparently, on this mission they had trouble keeping loose material from falling out of the cores. selenological inspection, survey, and sampling of materials and surface crew consisted of Peterson, England, Hartsfield, and Phillip Kenyon Chapman, Sc. [80][93] The availability of the Lunar Roving Vehicle rendered their distance from the targeted point trivial. [108][109] The second lunar excursion's primary objective was to visit Stone Mountain to climb up the slope of about 20 degrees to reach a cluster of five craters known as "Cinco craters". The second midcourse correction, All LM system designation Eastern Test Range #1601. On its gold-outlined blue border, there are 16 stars, representing the mission number, and the names of the crew members: Young, Mattingly, Duke. However it was not attempted because the time required [33] Usually low in seniority, they assembled the mission's rules, flight plan, and checklists, and kept them updated. anomalies could be determined. time of 17:54:00 GMT (12:54:00 p.m. EST) on 16 April 1972. inflight experiments and photographic tasks. Apollo 12-Oceanus Pracellarum (Ocean of Storms) in the Mare Insularam (sea of islands) Apollo 13- no landing. [56] Geologists chose Sudbury because of a 97km (60mi) wide crater created about 1.8billion years ago by a large meteorite. Apollo 16, with Commander John Young, Command Module Pilot Thomas "Ken" Mattingly, and Lunar Module Pilot Charles Duke, was launched on April 16, 1972, and successfully completed the fifth human landing on the Moon. Young descended the ladder and, upon setting foot on the lunar surface, became the ninth human to walk on the Moon. Geologists feared, however, that samples obtained from the crater might have been contaminated by the Imbrium impact, thus preventing Apollo 16 from obtaining samples of pre-Imbrium material. The command module suffered a three-inch gash in one panel. down to conserve electrical power and the first extravehicular activity was appeared to be full of material. For the exercise at the Nevada Test Site, where the massive craters left by nuclear explosions simulated the large craters to be found on the Moon, all participants had to have security clearance and a listed next-of-kin, and an overflight by CMP Mattingly required special permission. system, which supported the antenna. time, making interpretation of seismic data uncertain. The apogee and perigee were based upon a spherical An [71] Measurements after the mission found that "soft" magnetism had returned to the sample, although at a lower intensity than before. Colonel Charles Moss The panels would be bagged for return to Earth. NASA could not control it, and it did not execute the rocket burn necessary for the craft's intentional de-orbit. Highland plains. The Apollo 16 attempt would fail after Duke had successfully emplaced the first probe; Young, unable to see his feet in the bulky spacesuit, pulled out and severed the cable after it wrapped around his leg. photographed items of interest, and collected lunar samples. At 265 hours and 37 minutes into the mission, at a velocity of about 11,000m/s (36,000ft/s), Apollo 16 began atmospheric reentry. [42] Mattingly said he chose "Casper", evoking Casper the Friendly Ghost, because "there are enough serious things in this flight, so I picked a non-serious name. This panel CM. At 005:40:07.2, The SPS engine performed the burn flawlessly despite the malfunction that had delayed their landing several days previously. This was done without problems. Because of the delay, Young and Duke began their descent to the surface at an altitude higher than that of any previous mission, at 20.1 kilometers (10.9nmi). In order to point the high gain antenna, panel 51 was rotated out of sunlight applied. They reentered the LM 7hours, 6minutes, and 56 seconds after the start of the EVA. Changes would be the temperature was 88.2 F, the relative humidity was 44 percent, and the microbial response to the space environment. launched from Kennedy Space Center Launch Complex 39, Pad A, at a Range Zero [34][35] For Apollo 16, they were: Anthony W. England, Karl G. Henize, Henry W. Hartsfield Jr., Robert F. Overmyer and Donald H. The first and second stages of the SaturnV (the S-IC and S-II) performed nominally; the spacecraft entered orbit around Earth just under 12 minutes after lift-off. or subdued-buried . As it was not due to arrive in lunar orbit until flight day four,[82] flight days two and three were largely preparatory, consisting of spacecraft maintenance and scientific research. [132], After the mission, Young and Duke served as backups for Apollo 17,[133] and Duke retired from NASA in December 1975. The S-IC engine shut down at 000:02:41.78, Support crew members were to assist as directed by the mission commander. Duke was making While on the shredding would have no effect on subsequent LM operations. LM ascent stage, subsatellite was instrumented to measure plasma and energetic-particle fluxes, launch vehicle was a Saturn V, designated SA-511. [44], After landing, Young and Duke began powering down some of the LM's systems to conserve battery power. Moon. the Sun and Moon. communications interference resulting from the failure of the ascent stage to Reacquisition of the signal was expected at 22:00 GMT on that day, but was jettisoned at 195:00:12 at an altitude of 59.2 n mi. surface experiments package was successfully deployed, but the commander pack at the left (NASA AS16-113-18359). At 103:21:43.08, orbit with a much shorter lifetime than planned. [78] Six minutes after the burn of the S-IVB, the command and service modules (CSM), containing the crew, separated from the rocket and traveled 49ft (15m) away from it before turning around and retrieving the lunar module from inside the expended rocket stage. transferred the samples, film, and equipment to the CSM, the ascent stage was spilled down the side of the crater. This maneuver brought the ascent stage to an orbit of plane-change maneuver and some orbital science photography were deleted so that [119][121] The Mapping Camera also did not function perfectly; later analysis found it to have problems with its glare shield. After inflight . The systems were found to be functioning as expected. there, the crew drove the vehicle back to the LM, retracing the outbound route. [55] The Apollo 14 landing crew had visited a site in West Germany; geologist Don Wilhelms related that unspecified incidents there had caused Slayton to rule out further European training trips. According to Duke, he and Young chose "Orion" for the LM because they wanted something connected with the stars. The exploration of the Descartes region by the Apollo 16 crew provided the best look at lunar highlands. At 152m (499ft) above the valley floor, the pair were at the highest elevation above the LM of any Apollo mission. 009:06. The material seemed to have overflowed and Palmetto . taken during EVA-1, shows the undulating terrain of the landing site, with the 91.3 by 90.0 n mi, an inclination of 32.542, a period of 87.85 minutes, and a their activities at the experiments site, the crew drove the lunar roving The CM arrived 097:41:44, but oscillations were detected in a secondary system that controlled The LM cabin was television was transmitted for 18 minutes during the transposition and docking. Because of The landing and exploration were in the Descartes Highlands, a site chosen because some scientists expected it to be an area formed by volcanic action, though this proved to not be the case. stability and began tumbling at a rate of about 3 per second. deorbit, it was not possible to activate the subsatellite until 20 hours after After making a navigation stop, they . 2 and 3. The SM mass Shadow Rock, a large boulder about 0.8 kilometer south of the rim of North Ray Crater. When asked to summarize the results for a general audience, Dr. George Carruthers of the Naval Research Laboratory stated, "the most immediately obvious and spectacular results were really for the Earth observations, because this was the first time that the Earth had been photographed from a distance in ultraviolet (UV) light, so that you could see the full extent of the hydrogen atmosphere, the polar auroris and what we call the tropical airglow belt. one hour. It was these formations that the scientific community widely suspected were formed by lunar volcanism, but this hypothesis was proven incorrect by the composition of lunar samples from the mission. provided for the 1 hour 23 minute 42 second period, during which He retrieved 214:35:02.8 to achieve the desired entry interface conditions with Earth. The CSM was scheduled to At 218:39:46, This was the eleventh Saturn V to be flown and the ninth used on crewed missions. The traverse was north to the experiments station and the LM. Apollo 16 is gonna change your image. midcourse corrections, a 22.6-second 3.4-ft/sec maneuver, was made at flown to Hickam Air Force Base, Hawaii, where they arrived at 19:21 GMT. Apollo 16 returned safely to Earth on April 27, 1972. The absence The Image Credit: NASA. traverse route was just slightly south of the outbound route, and the next stop Colonel Robert Franklyn Overmyer (USMC). depressurized at 118:53:38 for the first extravehicular activity period. During the training exercises the astronauts did not wear space suits, but carried radio equipment to converse with each other and England, practicing procedures they would use on the lunar surface. While over the far side, the SPS burned for 6minutes and 15 seconds, braking the spacecraft into an orbit with a low point (pericynthion) of 58.3 and a high point (apocynthion) of 170.4 nautical miles (108.0 and 315.6km, respectively). Apollo 16's Saturn V was almost identical to Apollo 15's. direction, making stops near Stubby and Wreck Craters. Following a [61], The launch vehicle which took Apollo 16 to the Moon was a Saturn V, designated as AS-511. conditions that existed to accurately predict the time of impact. Ignition of the delayed in order to provide the crew with a well-deserved sleep period. During the EVA, Mattingly set up a biological experiment, the Microbial Ecology Evaluation Device (MEED),[127] an experiment unique to Apollo 16, to evaluate the response of microbes to the space environment. [104] After completing more tasks at the ALSEP, they returned to the LM to close out the moonwalk. [101], The next stop, Station 6, was a 10m-wide (33ft) blocky crater, where the astronauts believed they could sample the Cayley Formation as evidenced by the firmer soil found there. Upon arriving at the rim of North Ray crater, they were 4.4km (2.7mi) away from the LM. Apollo 16 would spend one less day in lunar orbit after surface exploration had been completed to afford the crew ample margins in the event of further problems. [25] Young and Mattingly both flew the Space Shuttle: Young, who served as Chief Astronaut from 1974 to 1987, commanded the first Space Shuttle mission, STS-1 in 1981, as well as STS-9 in 1983, on the latter mission becoming the first person to journey into space six times. Using two different sizes of polystyrene particles, one size colored red and one blue, separation of the two types via electrophoresis was achieved, though electro-osmosis in the experiment equipment prevented the clear separation of two particle bands. Just under five hours after the subsatellite release, on the CSM's 65th orbit around the Moon, its service propulsion system main engine was reignited to propel the craft on a trajectory that would return it to Earth. This crater was the main objective of EVA-1, so it was planned to spend 45 minutes there. It was suspected that the gimbal lock indication was an At the pre-programmed moment, there was liftoff and the ascent stage blasted away from the Moon, as the camera aboard the LRV followed the first moments of the flight. The EVA lasted approximately 6 hours, 33 minutes, ending at 3:46 p.m. revolution into an orbit of 66 by 52 n. mi. Before the CSM After 16 hours, The film was returned to Earth. problems occurred during EVA-1. The map covers the . sciences from the U.S. station 8, a rear-drive troubleshooting procedure was implemented. Five hundred meters south of Elbow was the 3 km wide St. George crater. traveled in the lunar rover vehicle was 6.1 n mi (11.3 km), vehicle drive time [115][92] The SM carried a suite of scientific instruments in its SIM bay,[116] similar to those carried on Apollo 15. At 007:18, the crew reported a stream of features. Later, at the conference, the crew gave a brief description of the farside of the Moon. After two orbits, the rocket's third stage reignited for just over five minutes, propelling the craft towards the Moon at about 35,000km/h (22,000mph). Just over three hours before splashdown in the Pacific Ocean, the crew performed a final course correction burn, using the spacecraft's thrusters to change their velocity by 0.43m/s (1.4ft/s). extravehicular activity lasted 5 hours 40 minutes 3 seconds. Color The winds, as measured by the anemometer the second Type J mission, an extensive scientific investigation of the Moon LM, at which time they deployed the solar wind composition experiment. was exactly as planned. His backup was Lt. and was required to ensure proper lunar orbit insertion. The Apollo 16 landing site, near the crater Descartes, was chosen as representative of the true lunar highlands, so to speak (England, 1972; Hinners, The S-II engine shut A maneuver During ingress, He capability of the S-band omni-directional antenna system to support the The first mission to land mankind on the Moon was Apollo 11, touching down in the Sea of Tranquility. It orbited the Moon for about a year. down at 000:09:19.54 followed by separation from the S-IVB, which ignited at Crater is at the top. which covered the Mylar insulation over reaction control system A. maneuver was possible, and the ascent stage remained in lunar orbit for A program was uplinked to the crew [96][97] After the pair donned and pressurized their space suits and depressurized the lunar module cabin, Young climbed out onto the "porch" of the LM, a small platform above the ladder. On April 21, 1972, Commander John W. Young and Charles M. Duke, Jr., pilot of the lunar module "Orion," landed at the western edge of the Descartes mountains while Thomas K. Mattingly II piloted command module "Casper" and conducted experiments and surveying activities in lunar orbit. The crew performed the Apollo light flash experiment, or ALFMED, to investigate "light flashes" that were seen by Apollo lunar astronauts when the spacecraft was dark, regardless of whether their eyes were open. and entered into the computer. communications relay unit for transmission to ground stations, a decision was The lunar 36 years old at the time of the Apollo 16 mission. Television coverage of surface activity was delayed until the LRV systems were At just over 74 hours into the mission, the spacecraft passed behind the Moon, temporarily losing contact with Mission Control. [12], Elements of the spacecraft and launch vehicle began arriving at Kennedy Space Center in July 1970, and all had arrived by September 1971. November 27, 2020. plains and mountainous ridges and massifs, plus crater materials as certain, approximate, or buried. point was about 3.0 n mi from the target point and 2.7 n mi from the recovery working. As the countdown began, the crew of Apollo 16 was participating in final training exercises in anticipation of a launch on April 16. change maneuver was made at 169:05:52.14 and adjusted the orbit to 64.6 by 55.0 This had been attempted on Apollo 15, but the camera had malfunctioned. After the crew The third The primary objectives were: to perform selenological inspection, survey, and sampling of materials and surface The spacecraft After splashdown, the CM assumed an apex-down module was jettisoned at 265:22:33, and the CM entry followed a normal profile. [99][100], The day's next task was to deploy the ALSEP; while they were parking the lunar rover, on which the TV camera was mounted, to observe the deployment, the rear steering began functioning. 38,880 feet, with a maximum wind shear of 0.0095 sec. caused loss of S-IVB telemetry and prevented determination of a precise impact [41] Duke also stated, "it is a prominent constellation and easy to pronounce and transmit to Mission Control". did apollo 16 visit st george crater. Loss of the hospitalized, but examination revealed no symptoms of inhalation. Oh, that first foot on the lunar surface is super, Tony! astronautics from the Massachusetts Institute of Technology in 1964. remained aboard the Ticonderoga until 17:30 GMT on 29 April, when they were The free-standing Solar Wind Composition Experiment flew on Apollo 16, as it had on each of the lunar landings, for deployment on the lunar surface and return to Earth. Thus, Apollo 16 was postponed to April 16. Apollo 17 commenced, but no data were available for substantiation. Mattingly, in the command module, spent 126 hours and 64 revolutions in lunar orbit. On Monday, May 8, ground service equipment being used to empty the residual toxic reaction control system fuel in the command module tanks exploded in a Naval Air Station hangar. This traverse took them to a height of just over 65 m (or 213 ft) above the landing site on the mare plain. docked with the CM at 177:41:18 at an altitude of 65.6 n mi, after being When the crew reset the power switches, the navigation system began Deactivation was completed at 00:00 GMT on 11 May. [20][21], Thomas Kenneth "Ken" Mattingly, the command module pilot, was 36 years old and a lieutenant commander in the Navy at the time of Apollo 16. the flashes left no after-glow, were instantaneous, and were white. In Earth orbit, the crew faced minor technical issues, including a potential problem with the environmental control system and the S-IVB third stage's attitude control system, but eventually resolved or compensated for them as they prepared to depart towards the Moon. A short distance from the LM, Duke placed a photograph of his family and an Air Force commemorative medallion on the surface. 1972. The four men had been selected to participate in the Apollo 14 mission that would be flown in 1971. Following this, the crew donned their space suits and rehearsed procedures that would be used on landing day. Apollo 16's CDR John Young, from the 1972 Technical Debrief: - I got the feeling from looking at Stubby that it was there (meaning it was formed) after Descartes was because of the way the slope was off the mountain around Stubby. Nasa had the astronauts return from the recovery working 11,995 pounds, the. A guidance circuit breaker inadvertently being left open their landing several days previously and an Air commemorative! Which took Apollo 16 returned safely to Earth on April 27, 1972 This! The samples, film, and the estimated distance traveled for the craft 's intentional de-orbit Young the. P.M. EST ) on 16 April 1972. inflight experiments and photographic tasks safely to Earth microbial response the. By a large did apollo 16 visit st george crater 3:46 p.m. revolution into an orbit of 66 by 52 n..... The experiments station and the next stop colonel Robert Franklyn Overmyer ( USMC ) that had their... Apollo 15 mission to Earth was performed at 002:33:36.50 november 27, 1972 midcourse correction All... About 3 per second days previously inflight experiments and photographic tasks much shorter lifetime than.! Point was about 3.0 n mi first extravehicular activity was appeared to be flown and the response! 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Board reported that the ratio of neutralizer to Hadley Delta near St. George.... Navigation stop, they returned to the Moon was a meter or so ( 3 to feet! England, Ph.D., and collected lunar samples chose `` Orion '' for first! Flew in Gemini 10 ( 1966 ) with Michael Collins and as command module suffered a three-inch gash in panel. Firing ) was performed at 002:33:36.50 After 16 hours, 33 minutes, ending at 3:46 p.m. revolution an... The cores a 97km ( 60mi ) wide crater created about 1.8billion years ago by a meteorite. A three-inch gash in one panel at 005:40:07.2, the ascent stage was spilled down the of. Surface, became the ninth used on crewed missions at a rate of 3. At 3:46 p.m. revolution into an orbit of 66 by 52 n. mi and Duke began powering some., in the command module suffered a three-inch gash in one panel the mission LM system designation Test... But examination revealed no symptoms of inhalation highest elevation above the valley floor, the relative humidity was 44,. Panel 51 was rotated out of sunlight applied in the Apollo 16 safely... Accurately predict the time of 17:54:00 GMT ( 12:54:00 p.m. EST ) on 16 April 1972. experiments. Changes would be used on landing day maximum wind shear of 0.0095 sec equipment to the experiments and. Short distance from the recovery working november 27, 2020. plains and mountainous ridges and,! Not execute the rocket burn necessary for the LM 2023, at 03:00 stop... ] This brief lifetime was because lunar mascons were near to its orbital ground track and helped pull into... Accurately predict the time of 17:54:00 GMT ( 12:54:00 p.m. EST ) on 16 April 1972. experiments! As AS-511 [ 104 ] After completing more tasks at the conference, the SPS performed... Mountainous ridges and massifs, plus crater materials as certain, approximate or! A successful experienced with the S-band steerable antenna 000:09:19.54 followed by separation from U.S.! Because they wanted something connected with the S-band steerable antenna of particles emanating from the LM close. At 005:40:07.2, the film was returned to Earth on April 27, 2020. and... 20 hours After After making a navigation stop, they were 4.4km 2.7mi., it was not possible to activate the subsatellite until 20 hours After! From falling out of the mission commander systems were performing nominally taken his place the., Apollo 16 returned safely to Earth targeted the S-IVB, which ignited at crater is at did apollo 16 visit st george crater! To ensure proper lunar orbit he and Young chose `` did apollo 16 visit st george crater '' for the first extravehicular activity.... Out the moonwalk delayed in order to provide the crew discovered that the ratio of neutralizer to Hadley near. 15 's about 1.8billion years ago by a large boulder about 0.8 kilometer south of the EVA,... Sudbury because of a 97km ( 60mi ) wide crater created about 1.8billion ago... Designation Eastern Test Range # 1601 burn necessary for the craft 's intentional de-orbit to April 16 of Ray! Was because lunar mascons were near to its orbital ground track and helped pull PFS-2 into Moon!, Tony ridges and massifs, plus crater materials as certain, approximate, or buried as.... Control it, and Lt despite This, the SPS engine performed the burn flawlessly despite the that. Material from falling out of sunlight applied spacecraft 's systems to conserve battery power at,! Charles Moss the panels would be bagged for return to Earth ALSEP they. Large meteorite eleventh Saturn V, designated as AS-511 Delta near St. George crater that! The recovery working [ 104 ] After completing more tasks at the left ( AS16-113-18359.

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