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Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft, lunar samples, and geophysical data. . Six locations were sampled directly during the crewed Apollo program landings from 1969 to 1972, which returned 382 kilograms (842 lb) of lunar rock and lunar soil to Earth [8] In addition, three robotic Soviet Luna ...
A view of the Apollo 11 landing site at center, facing west, with the 22km wide Maskelyne crater in right foreground. On February 20, 1965, the Ranger 8 spacecraft was deliberately crashed into the Mare Tranquillitatis at after successfully transmitting 7,137 close-range photographs of the Moon in the final 23 minutes of its
The modern system of lunar nomenclature was introduced in 1651 by Giovanni Battista Riccioli. [1] Riccioli's map of the Moon was drawn by Francesco Maria Grimaldi, who has a crater named after him. A related set of features are the Lunar lacus / ˈ l eɪ k ə s / (singular also lacus, Latin for "lake"), [a] which are smaller basaltic plains of ...
Mare Crisium / ˈ k r ɪ s i ə m / (Latin crisium, the "Sea of Crises") is a lunar mare located in the Moon's Crisium basin, just northeast of Mare Tranquillitatis. Mare Crisium is a basin of Nectarian age. [2] It was formed by the flooding of basaltic lava that filled an ancient asteroid impact. [3]
The Procellarum KREEP Terrane, or PKT, is a large province on the near side of the Moon that has high abundances of KREEP.KREEP is an acronym built from the letters K (the atomic symbol for potassium), REE (rare-earth elements) and P (for phosphorus), [3] and is a geochemical component of some lunar impact breccia and basaltic rocks.
It is located in the south-western corner of the dark lunar plain Mare Tranquillitatis ("Sea of Tranquility"). [1] The U.S. states of California and New Mexico have registered Tranquility Base as a heritage site associated with them, but Texas , the U.S. National Park Service , and UNESCO have declined to do so, due to the technicality that it ...
A global albedo map of the Moon obtained from the Clementine mission. The dark regions are the lunar maria, whereas the lighter regions are the highlands. The image is a cylindrical projection, with longitude increasing left to right from −180° E to 180° E and latitude decreasing from top to bottom from 90° N to 90° S. The center of the ...
Posidonius is a lunar impact crater that is located on the north-eastern edge of Mare Serenitatis, to the south of Lacus Somniorum. It was named after ancient Greek philosopher and geographer Posidonius of Apamea. [ 1 ]