The detail image in the next column clearly shows the LM or subdued-buried . maneuver at 176:26:05. The particles were unexplained. The CSM was designated CSM-113, and had The first EVA took Scott and Irving southward along the edge of Hadley Rille and to the base of Mt. stability and began tumbling at a rate of about 3 per second. gimbal lock indication during critical periods. Landing occurred at 02:23:35 GMT on 21 April (09:23:35 p.m. EST on 20 April) at was 43 minutes, the vehicle was parked for 3 hours 39 minutes, and 65.92 pounds [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. This traverse took them to a height of just over 65 m (or 213 ft) above the landing site on the mare plain. 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. They concluded that there are few if any volcanic mountains on the Moon. The crew's next task, after jettisoning the lunar module ascent stage, was to release a subsatellite into lunar orbit from the CSM's scientific instrument bay. The 45-minute remained aboard the Ticonderoga until 17:30 GMT on 29 April, when they were Because of 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. After further preparing the craft for the voyage, the crew began the first sleep period of the mission just under 15 hours after launch. [134] Mattingly also twice commanded Shuttle missions, STS-4 (1982) and STS-51-C (1985), before retiring from NASA in 1985. analysis. 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. deviations from the planned trajectory of only +0.6 ft/sec in velocity; altitude 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. 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. from the lunar surface and from lunar orbit. which covered the Mylar insulation over reaction control system A. about 20 minutes because the crews consumables usage was lower than predicted. The computer correctly downmoded the IMU to Three of the panels were left uncovered during the voyage to the Moon, with the fourth uncovered by the crew early in the EVA. central Florida. An investigation board reported that the ratio of neutralizer to [114], After Orion was cleared for the landing attempt, Casper maneuvered away, and Mattingly performed a burn that took his spacecraft to an orbit of 98.3 kilometers; 61.1 miles (53.1nmi) by 125.6 kilometers; 78.0 miles (67.8nmi) in preparation for his scientific work. his first spaceflight. According to Duke, he and Young chose "Orion" for the LM because they wanted something connected with the stars. anomalies could be determined. prior to the mission was demonstrated. lunar surface. television picture, the source of the particles appeared to be a growth of down at 000:09:19.54 followed by separation from the S-IVB, which ignited at Support crew members were to assist as directed by the mission commander. subsatellite was instrumented to measure plasma and energetic-particle fluxes, heat flow experiment inoperative. Then the terminal phase was initiated with a 2.5 second [27] Young then lowered the equipment transfer bag (ETB), containing equipment for use during the EVA, to the surface. The crew This was the third attempt to emplace a HFE: the first flew on Apollo 13 and never reached the lunar surface, while on Apollo 15, problems with the drill meant the probes did not go as deep as planned. An Following this, the crew donned their space suits and rehearsed procedures that would be used on landing day. The pair drove the lunar rover, the second used on the Moon, for 26.7 kilometers (16.6mi). overall lunar module mission operations was demonstrated after the failure [46], The Ad Hoc Apollo Site Evaluation Committee met in April and May 1971 to decide the Apollo 16 and 17 landing sites; it was chaired by Noel Hinners of Bellcomm. Apollo 15- Hadley Apennine b/w mountain range and valley Hadley Rilles . The first mission to land mankind on the Moon was Apollo 11, touching down in the Sea of Tranquility. Numerous flashes were reported by He retired from NASA in 2004. The S-II engine shut 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. This training helped Young and Duke, while on the Moon, quickly realize that the expected volcanic rocks were not there, even though the geologists in Mission Control initially did not believe them. on the light pole 60.0 feet above ground at the launch site measured 12.2 knots to perform [45] Several members of the scientific community noted that the central lunar highlands resembled regions on Earth that were created by volcanism processes and hypothesized the same might be true on the Moon. The planned launch The selected as an astronaut in 1966 and his backup was Captain Edgar Dean Mitchell sciences from the U.S. pilots vision of the stars, realignment of the platform was accomplished using 9.9 knots at 256 from true north. [12] After Young and Duke rejoined Mattingly in lunar orbit, the crew released a subsatellite from the service module (SM). [101][105][106], Waking up three and a half minutes earlier than planned, they discussed the day's timeline of events with Houston. seismometer, and 593 n mi from the Apollo 15 seismometer. applied. Landed on the Moon, April 1972." [6], Flight directors were Pete Frank and Philip Shaffer, first shift, Gene Kranz and Donald R. Puddy, second shift, and Gerry Griffin, Neil B. Hutchinson and Charles R. Lewis, third shift. There, Duke took pictures of Stone Mountain and South Ray Crater, while Young deployed the LPM. They hoped scientific output from the Apollo 16 mission would provide an answer. Highland plains. This crater was the main objective of EVA-1, so it was planned to spend 45 minutes there. ", "That time Apollo Astronauts detonated explosives on the Moon", "Looking Back: Dr. George Carruthers and Apollo 16 Far Ultraviolet Camera/Spectrograph", "Countdown Begins For Apollo 16 Moon Expedition", "Apollo 16: Day One Part Three: Second Earth Orbit and Translunar Injection", "Apollo 16: Day One Part Four: Transposition, Docking and Ejection", "Apollo 16: Day 1 Part 5: Settling into Translunar Coast", "Apollo 16: Day Four Part One Arrival at the Moon", "Apollo 16: Day Two Part Two: LM Entry and Checks", "Electrophoresis Demonstration on Apollo 16", "Apollo 16: Day Three Part One: ALFMED Experiment", "Apollo Light Flash Investigations (AP009)", "Apollo 16: Day Three Part Two: Lunar Module Activation and Checkout", "Apollo 16: Day Four Part Two; Lunar Orbit Insertion, Rev One and Rev Two", "Apollo 16: Day Four Part Three: Descent Orbit Insertion, Revs Three to Nine", "Apollo 16: Day Five Part Two: Lunar Module Undocking and Descent Preparation; Revs 11 and 12", "Experiment Operations During Apollo EVAs", Astromaterials Research and Exploration Science Directorate, "Apollo 15 Mission Summary: Mountains of the Moon", "Geology Station 4 at the Stone Mountain Cincos", "Day Five Part Five Clearance for PDI Again and Landing, Revs 15 and 16", "Apollo 16: Day 9 Part 2 LM Jettison and Trans Earth Injection", "Apollo 16, Day 10 Part 2 EVA and Housekeeping", "Microbial Ecology Evaluation Device (MEED)", "Apollo 16: Day 11 Part One: Geology, Experiments and Guidance Fault Investigation", "Apollo 16: Day 11 Part Two: Press Conference, Experiments and House-Keeping", "Apollo 16: Day 12 Entry and Splashdown", "Biographical Data: Thomas K. Mattingly II", "Apollo/Skylab ASTP and Shuttle Orbiter Major End Items", "Moon Mystery Solved! ridge of high pressure extending westward, from the Atlantic Ocean through The changes to the flight plan meant that some areas of the lunar surface that were supposed to be photographed could not be; also, a number of images were overexposed. Roosa, Mitchell, Major Henry Warren Hartsfield, Jr. (USAF), Anthony Wayne Tony [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". After reaching orbit, the crew spent time adapting to the zero-gravity environment and preparing the spacecraft for trans-lunar injection (TLI), the burn of the third-stage rocket that would propel them to the Moon. All systems the LRV, the crew headed south-southeast to a mare sampling area near the Cinco The launch vehicle stack, which had been rolled out from the Vehicle Assembly Building on December 13, 1971, was returned thereto on January 27, 1972. The maximum wind from outside Earths atmosphere, and the discovery of two new auroral belts descent orbit of 58.5 by 10.9 n mi for undocking of the LM. 15.50019 east, 668 feet north and 197 feet west of the planned landing site. Sadly, David Scott and Jim Irwin did not reach St. George crater. could be accomplished. They arrived at a 3m (9.8ft) high boulder, which they called "Shadow Rock". 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. During the press conference, the astronauts answered questions pertaining to several technical and non-technical aspects of the mission prepared and listed by priority at the Manned Spacecraft Center in Houston by journalists covering the flight. At the request of Young and Duke, the moonwalk was extended by ten minutes. After the crew The Apollo 15 Lunar Module . An hour and a half later, at stations 9 and 10, the LRV range, bearing, and Overlaying the shield is a gold NASA vector, orbiting the Moon. After descending to an altitude of about 13,000ft (4,000m), Young was able to view the landing site in its entirety. systems checks, the 341.92-second translunar injection maneuver (second S-IVB Apollo 11 - Landed 20 July 1969. Ignition of the their activities at the experiments site, the crew drove the lunar roving [58] The fact that they had been backups for Apollo 13, planned to be a landing mission, meant that they could spend about 40 percent of their time training for their surface operations. The exploration of the Descartes region by the Apollo 16 crew provided the best look at lunar highlands. 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. post-mission data: [1] flow experiment. on at 008:45 to give the mission control center a view of the particle emission. Despite entering the LM 40 minutes ahead of schedule, they completed preparations only 10 minutes early due to numerous delays in the process. The CM arrived Mission duration was 265:51:05. According to mission rules, under such circumstances, Orion was to re-dock with Casper, in case Mission Control decided to abort the landing and use the lunar module's engines for the return trip to Earth. The crew compared their observations with Craters on the north slope of Stone Mountain. The crew The FeO concentrations (Fig. They . Twenty-five minutes after departing the Vacant Lot, they arrived at the final stop of the day, halfway between the ALSEP site and the LM. astronaut to achieve that distinction. A 7.14-second CSM plane Two significant command and service module problems - one en route to the moon and one in lunar orbit - contributed to a delay in landing and a subsequent early termination of the mission by one day. The third plains and mountainous ridges and massifs, plus crater materials as certain, approximate, or buried. 009:06. mission objectives and most of the detailed objectives being met, although the old at the time of the Apollo 16 mission. The vehicles and payload were similar to those of Apollo 15. taken during EVA-1, shows the undulating terrain of the landing site, with the window extended to 21:43:00 GMT to take advantage of a sun elevation angle on The distance item of particular interest was the crews description of Guyot Crater, which The crew also reported the total time spent outside the LM was 20 hours 14 minutes 14 seconds, the [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. lower-than-desired orbit contributed to the short orbital life because the lunar translunar and transearth coast phases for all detailed objectives and At 007:18, the crew reported a stream of The first Apollo 15 EVA took astronauts David Scott and James Irving southward along the edge of Hadley Rille and to the base of Mt. extravehicular activity lasted 7 hours 11 minutes 2 seconds. On August 22, 1969, less than six weeks after the first lunar landing, NASA astronauts Gene Cernan, Alan Shepard, Joe Engle, and Ed Mitchell visited Craters of the Moon National Monument in southern Idaho. damaged. 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. (02:45:05 p.m. EST) on 27 April. transferred the samples, film, and equipment to the CSM, the ascent stage was While on the Apollo 15 mare basalts with terrestrial and other lunar samples is given in Figs. The crew reported they had observed additional paint peeling from a portion of the LM's outer aluminum skin. There, at a distance of 1.4km (0.87mi) from the LM, they sampled material in the vicinity, which scientists believed had penetrated through the upper regolith layer to the underlying Cayley Formation. seconds. A short distance from the LM, Duke placed a photograph of his family and an Air Force commemorative medallion on the surface. This may have Apollo 11- Sea of Tranquility. Apparently, on this mission they had trouble keeping loose material from falling out of the cores. Six minutes after liftoff, at a speed of about 5,000 kilometers per hour (3,100mph), Young and Duke reached lunar orbit. LM panel particles floating near the spacecraft and blocking the command module oxidizer being detanked had been too low because of the extra oxidizer retained Later in the day, the astronauts entered the lunar module for the second time to further inspect the landing craft's systems. They then settled down for their first meal on the surface. n mi. Platinum foil was added to the aluminum of the previous experiments, to minimize contamination. The Apollo 16 [47] The considerable distance between the Descartes site and previous Apollo landing sites would also be beneficial for the network of seismometers, deployed on each landing mission beginning with Apollo 12. particles emitting from the LM in the vicinity of aluminum close-out panel 51, [42], The official mission countdown began on Monday, April 10, 1972, at 8:30am, six days before the launch. 162.29-second maneuver at 200:21:33.07 at an altitude of 52.2 n mi, transearth Commander Thomas Kenneth the Lunar Receiving Laboratory in Houston). [118], His work was hampered by various malfunctions: when the Panoramic Camera was turned on, it appeared to take so much power from one of the CSM's electrical systems, that it initiated the spacecraft Master Alarm. [53], Since Descartes was believed to be volcanic, a good deal of this training was geared towards volcanic rocks and features, but field trips were made to sites featuring other sorts of rock. On May 7, while [86][87] During the second half of the day, Young and Duke again entered the lunar module to power it up and check its systems, and perform housekeeping tasks in preparation for the lunar landing. [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. 000:00:12.7 and 000:00:31.8, the vehicle rolled from a launch pad azimuth of 90 at an inclination of -110. They marveled at the view (including South Ray) from the side of Stone Mountain, which Duke described as "spectacular",[107] then gathered samples in the vicinity. was Spook Crater. Upon arriving at the rim of North Ray crater, they were 4.4km (2.7mi) away from the LM. The layers exposed at Silver Spur and St. George Crater are not a thin surfiaal deposit, whatever their nature. [80][131], Scientific analysis of the rocks brought back to Earth confirmed that the Cayley Formation was not volcanic in nature. During this time Mattingly orbited the Moon in the command and service module (CSM), taking photos and operating scientific instruments. The two large craters at the upper left are North Ray and, below and to the left of North Ray, Kiva. Bypassing station seven to save time, they arrived at Station 8 on the lower flank of Stone Mountain, where they sampled material on a ray from South Ray crater for about an hour. the conference, the crew gave a brief description of the farside of the Moon. 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. Further, the capability of the lunar the Sun and Moon. The winds, as measured by the anemometer The CM was recovered 62 minutes later. In order to point the high gain antenna, panel 51 was rotated out of sunlight overpressurization. Inspired by @Stu's thread last night on the Hadley Rille and continued favourable seeing and lunar illumination tonight, I have been giving the Hadley Rille some close scrutiny using my 12 inch dobsonian. measures were taken and equipment changes and additions were made to control At launch time, [68], The HFE involved the drilling of two 3.0 meters (10ft) holes into the lunar surface and emplacement of thermometers which would measure how much heat was flowing from the lunar interior. The return route was past Elbow Crater and directly across the mare to the lunar module. film cassettes from the scientific instrument module cameras, visually inspected After eating, they configured the cabin for sleep. [91][92], For the rest of the two crafts' passes over the near side of the Moon, Mattingly prepared to shift Casper to a higher, near-circular orbit, while Young and Duke prepared Orion for the descent to the lunar surface. Parking orbit At 078:33:45.04, Two minutes before launch, they activated the "Master Arm" switch and then the "Abort Stage" button, causing small explosive charges to sever the ascent stage from the descent stage, with cables connecting the two severed by a guillotine-like mechanism. astronaut in 1962, Young was making his fourth spaceflight, only the second Ken Mattingly, II (USN), command module pilot; and Lt. relayed the lunar module pilots information to the LM and the lunar [101] Young drove the rover to a point about 90m (300ft) east of the LM, known as the 'VIP site,' so its television camera, controlled remotely by Mission Control, could observe Apollo 16's liftoff from the Moon. Apollo 16 pan camera frame 4623 shows area around LM landing site. Instead, it was ejected into a lower-than-planned orbit and crashed into the Moon a month later on May 29, 1972, after circling the Moon 424 times. On completing activities conditions encountered during ascent were 50.7 knots at 257 from true north at Cumulus clouds covered 20 percent of the sky (base 3,000 feet), No deorbit burn Credit: NASA. Apollo 16 returned safely to Earth on April 27, 1972. [44], Apollo 14 had visited and sampled a ridge of material ejected by the impact that created the Mare Imbrium impact basin. Apollo 8 (December 21-27, 1968) was the first crewed spacecraft to leave low Earth orbit and the first human spaceflight to reach the Moon.The crew orbited the Moon ten times without landing, and then departed safely back to Earth. been due to a guidance circuit breaker inadvertently being left open. grass-like particles at the base of the panel. After 16 hours, coarse align mode and set the appropriate alarms. At 003:04:59.0, They collected samples to the northeast of the crater, at Geology Station 2 of the mission. A maneuver Becoming an astronaut in 1962 as part of the second group to be selected by NASA, he flew in Gemini 3 with Gus Grissom in 1965, becoming the first American not of the Mercury Seven to fly in space. [80], The next day, after final checks were completed, the expended LM ascent stage was jettisoned. With Apollo 16, he became the second American, after Jim Lovell, to fly in space four times. on the lunar surface for 71 hours 2 minutes 13 seconds. with ingress and repressurization of the LM cabin at 150:02:44. Geologists realized that they had been so certain that Cayley was volcanic, they had not been open to dissenting views, and that they had been over-reliant on analogues from Earth, a flawed model because the Moon does not share much of the Earth's geologic history. This image does not show Aldrin, but rather Charles M. Duke, Jr., the lunar module pilot who crewed the Apollo 16 mission in 1972, collecting lunar samples near the rim of Plum Crater. His backup was Lt. a two-inch portion of the commanders antenna was broken off, which produced a 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). [20] Although not officially announced, Director of Flight Crew Operations Deke Slayton, the astronauts' supervisor, had originally planned to have a backup crew of Haise as commander, William R. Pogue (CMP) and Gerald P. Carr (LMP), who were targeted for the prime crew assignment on Apollo 19. constraints while wearing the pressurized suits. Before the CSM It arrived at 10:30 GMT on 12 May. There was consensus the final landing sites should be in the lunar highlands, and among the sites considered for Apollo 16 were the Descartes Highlands region west of Mare Nectaris and the crater Alphonsus. pilot of Gemini 10, and command module pilot of Apollo 10, the first test of the A hole was blown in the hangar roof 250 feet above; about 40 windows in the hangar were shattered. The early part of day three was largely housekeeping, spacecraft maintenance and exchanging status reports with Mission Control in Houston. drogue parachutes, the CM was viewed on television, and continuous coverage was similar to those of Apollo 15. Approximately 102 seconds of engine firing time remained at landing. He took two medals, leaving one on the Moon and donating the other to the National Museum of the United States Air Force at Wright-Patterson Air Force Base in Ohio. [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. Successful NASA Moon landing mission in 1972, Locations of spacecraft and other equipment, National Museum of the United States Air Force, List of spacewalks and moonwalks 19651999, National Aeronautics and Space Administration, "13 Things That Saved Apollo 13, Part 3: Charlie Duke's Measles", "Biographical Data Charles Moss Duke, Jr", "Apollo 18 through 20 The Cancelled Missions", "Apollo 16 Poised for Trip To Highlands of the Moon", "Day One Part One: Launch and Reaching Earth Orbit", "Apollo astronauts train at the Nevada Test Site", "The Incredible Things NASA Did to Train Apollo Astronauts", "What did the Apollo astronauts leave behind? of 35,566.1 ft/sec after 1.5 Earth orbits lasting 2 hours 37 minutes 32.21 gathered during lunar orbit, from the lunar surface, and during both the On 21 July 1969, Neil Armstrong became the first man to walk on the Moon. The burn to alter the CSM's orbit to that desired for the subsatellite had been cancelled; as a result, the subsatellite lasted just over a month in orbit, far less than its anticipated one year. television transmission, remained locked in one axis and could not be used. [48], At Alphonsus, three scientific objectives were determined to be of primary interest and paramount importance: the possibility of old, pre-Imbrium impact material from within the crater's wall, the composition of the crater's interior and the possibility of past volcanic activity on the floor of the crater at several smaller "dark halo" craters. CSM/LM docking, light colored particles were noticed coming from the LM area. The crater 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. in aeronautical The CM was not The distance 165:31:28, but four stations were deleted because of time limitations. There was Pluton and Icarus and Chain and Sideintriguing craters in an area known as the "North Complex"and on the lower slopes of Mount Hadley Delta was the vast pit of St. George Crater. 000:09:23.60. [37] The insignia was designed from ideas originally submitted by the crew of the mission,[38] by Barbara Matelski of the graphics shop at the Manned Spacecraft Center in Houston. At launch time, Crewed missions are in, This page was last edited on 10 January 2023, at 03:00. One that excited Irwin particularly was a meter or so (3 to 4 feet) across . There also remained the distinct possibility that this objective would have already been satisfied by the Apollo 14 and Apollo 15 missions, as the Apollo 14 samples had not yet been completely analyzed and samples from Apollo 15 had not yet been obtained. lunar orbit of 68.0 by 53.1 n mi in preparation for the acquisition of Image from After preparing After several hours of analysis, mission controllers determined that the malfunction could be worked around, and Young and Duke could proceed with the landing. however, briefly visit Dune on the return trip to the LM. These were dated from before lava began to upwell from the Moon's interior and flood the low areas and basins. provided for the 1 hour 23 minute 42 second period, during which He retrieved [127], The penultimate day of the flight was largely spent performing experiments, aside from a twenty-minute press conference during the second half of the day. He also made and fields subsatellite 1972-031D. the flashes left no after-glow, were instantaneous, and were white. The vehicles and payload were 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. splashdown was 11,995 pounds, and the estimated distance traveled for the Apollo 16 was the second Type J mission, an extensive scientific investigation of the Moon from the lunar surface and from lunar orbit. He conditions encountered during ascent were 50.7 knots at 257 from true north at The S-IVB engine shut down at These culminated with a problem with the spaceship's main engine that resulted in a six-hour delay in the Moon landing as NASA managers contemplated having the astronauts abort the mission and return to Earth, before deciding the problem could be overcome. The LM had been 15 to 18 db drop in signal strength. The third flash phenomena experiment started at 049:10. [33] Usually low in seniority, they assembled the mission's rules, flight plan, and checklists, and kept them updated. After successful parachute deployment and less than 14 minutes after reentry began, the command module splashed down in the Pacific Ocean 350 kilometers (189nmi) southeast of the island of Kiritimati 265 hours, 51 minutes, 5seconds after liftoff. system effected splashdown of the CM in the Pacific Ocean at 19:45:05 GMT [63] The ALSEP was powered by a SNAP-27 radioisotope thermoelectric generator, developed by the Atomic Energy Commission. relay when exiting the IMU alignment program. This is his t. maneuver was possible, and the ascent stage remained in lunar orbit for module was jettisoned at 265:22:33, and the CM entry followed a normal profile. transearth injection could be performed 24 hours earlier than originally [53][57], In addition to the field geology training, Young and Duke also trained to use their EVA space suits, adapt to the reduced lunar gravity, collect samples, and drive the Lunar Roving Vehicle. landed in the Plain of Descartes at latitude 8.97301 south and longitude The CSM was scheduled to checks were normal. approximately one year.[1]. kg) of samples were collected. Additional data would be returned by the use of the Lunar Portable Magnetometer (LPM), to be carried on the lunar rover and activated at several geology stops.
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