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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 Passive Seismic Experiment Package (PSEP) was a scientific experiment deployed on the lunar surface by the astronauts of Apollo 11 as part of the Early Apollo Surface Experiments Package (EASEP). The experiment's goal was to determine the structure, tectonic activity, physical nature, and composition of the Moon. [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.
The Apollo spacecraft feasibility study was conducted by NASA from July 1960 through May 1961 to investigate preliminary designs for a post-Project Mercury multi-crewed spacecraft to be used for possible space station, circum-lunar, lunar orbital, or crewed lunar landing missions.
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The Apollo 11 LRRR was deployed on the lunar surface by the Apollo 11 astronaut, Buzz Aldrin, on July 21, 1969. The package was deployed approximately 60 feet (18 m) from Lunar Module Eagle . [ 5 ] Aldrin initially aligned the face of the array in an approximate fashion so that it faced the Earth, with more precise alignment provided by a ...