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(NASA AS11-40-5877) This photo was used again in Figure 3-12 in the Apollo 11 Preliminary Science Report, which has the following caption: Hasselblad photograph AS11-40-5877 showing an astronaut's bootprint in the lunar surface. This photo was used again in Figure 4-24 in the Apollo 11 Preliminary Science Report, which has the following caption:
The initial analysis was presented in the Apollo 11 Preliminary Science Report [15] that was released in October 1969 - just over 3 months after the mission. By 2009/2010, digital technologies had emerged that allowed the image archive to be revisited in much greater detail than previously.
The PSEP was placed 16.8 meters (55 ft) from the Apollo 11 Lunar Module at Tranquility Base on July 21, 1969. [1] A set of 15 different commands could be sent to the experiment package from mission control on Earth to direct the instrument's levelling and calibration motors. [1]
NASA's Apollo Site Selection Board announced five potential landing sites on February 8, 1968. These were the result of two years' worth of studies based on high-resolution photography of the lunar surface by the five uncrewed probes of the Lunar Orbiter program and information about surface conditions provided by the Surveyor program. [83]
The Apollo Lunar Surface Experiments Package (ALSEP) comprised a set of scientific instruments placed by the astronauts at the landing site of each of the five Apollo missions to land on the Moon following Apollo 11 (Apollos 12, 14, 15, 16, and 17). Apollo 11 left a smaller package called the Early Apollo Scientific Experiments Package, or EASEP.
The preliminary scientific report of Apollo era [3] indicate that two processes, not mutually excluding, can be responsible for the development of fillets: 1) Deposition of material eroded from the boulder itself by the abrasive action of micrometeoroids, and 2) deposition of ejecta material from distant impact craters against the side of the boulder.
Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221.; The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies.
The contracted batch of 15 Saturn Vs was enough for lunar landing missions through Apollo 20. Shortly after Apollo 11, NASA publicized a preliminary list of eight more planned landing sites after Apollo 12, with plans to increase the mass of the CSM and LM for the last five missions, along with the payload capacity of the Saturn V.