Turner (crater)
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Turner (crater)
Turner is a small Lunar craters, lunar impact crater that lies in the Mare Insularum, near the Moon's equator. The crater was named after British astronomer Herbert Hall Turner. It is located to the southeast of the crater Gambart (crater), Gambart. Turner is a circular, cone-shaped crater with inner walls that slope down to the midpoint. A similar-sized Palimpsest, ghost crater is attached to the western rim, its interior floor submerged by lava and the surviving rim broken in the southwest. Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Turner. References * * * * * * * * * * * External links {{Commons categoryTurner at The Moon Wiki
Impact craters on the Moon ...
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Lunar Orbiter 4
Lunar Orbiter 4 was a robotic U.S. spacecraft, part of the Lunar Orbiter program, Lunar Orbiter Program, designed to orbit the Moon, after the three previous orbiters had completed the required needs for Project Apollo, Apollo mapping and site selection. It was given a more general objective, to "perform a broad systematic photographic survey of lunar surface features in order to increase the scientific knowledge of their nature, origin, and processes, and to serve as a basis for selecting sites for more detailed scientific study by subsequent orbital and landing missions". It was also equipped to collect selenodetic, radiation intensity, and micrometeoroid impact data. Mission Summary The spacecraft was placed in a Free-return trajectory, cislunar trajectory and injected into an elliptical near polar high lunar orbit for data acquisition. The orbit was with an inclination of 85.5 degrees and a period of 12 hours. After initial photography on May 11, 1967 problems started occu ...
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Herbert Hall Turner
Herbert Hall Turner (13 August 1861 – 20 August 1930) was a British astronomer and seismologist. Biography Herbert Hall Turner was educated at the Leeds Modern School, Clifton College, Bristol and Trinity College, Cambridge. In 1884 he accepted the post of Chief Assistant at the Royal Greenwich Observatory and stayed there for nine years. In 1893 he became Savilian Professor of Astronomy and Director of the Radcliffe Observatory at Oxford University, a post he held for 37 years until his sudden death in 1930. He was one of the observers in the Eclipse Expeditions of 1886 and 1887. In seismology, he is credited with the discovery of deep focus earthquakes. He is also credited with coining the word ''parsec''. His 1897 Royal Society candidature citation read: " '' Secretary of the Royal Astronomical Society. Was Chief Assistant at the Royal Observatory, Greenwich 1884-1894. Author of various papers among which may be mentioned:- * "''On the correction of the Equilibri ...
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Turner Crater AS16-M-2505 ASU
Turner may refer to: People and fictional characters *Turner (surname), a common surname, including a list of people and fictional characters with the name * Turner (given name), a list of people with the given name *One who uses a lathe for turning *Sean and Dorothy Turner are the protagonists of '' Servant'' as is their infant "son" Jericho. Places Australia *Turner, Australian Capital Territory * Turner River, Western Australia Canada *Turner, Ontario United States *Turner, Mississippi County, Arkansas *Turner, Phillips County, Arkansas *Turner, former name of Tuttle, California * Turner, Indiana *Turner, Kansas * Turner, Maine, a New England town **Turner (CDP), Maine, within the town of Turner * Turner, Michigan * Turner, Montana *Turner, Oregon *Turner, Washington * Turner, West Virginia * Turner Air Force Base, outside Albany, Georgia *Turner County, Georgia *Turner County, South Dakota Businesses *Turner Broadcasting System, part of WarnerMedia, managed a collection of c ...
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Lunar Craters
Lunar craters are impact craters on Earth's Moon. The Moon's surface has many craters, all of which were formed by impacts. The International Astronomical Union currently recognizes 9,137 craters, of which 1,675 have been dated. History The word ''crater'' was adopted from the Greek word for "vessel" (, a Greek vessel used to mix wine and water). Galileo built his first telescope in late 1609, and turned it to the Moon for the first time on November 30, 1609. He discovered that, contrary to general opinion at that time, the Moon was not a perfect sphere, but had both mountains and cup-like depressions. These were named craters by Johann Hieronymus Schröter (1791), extending its previous use with volcanoes. Robert Hooke in ''Micrographia'' (1665) proposed two hypotheses for lunar crater formation: one, that the craters were caused by projectile bombardment from space, the other, that they were the products of subterranean lunar volcanism. Scientific opinion as to the origin ...
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Impact Crater
An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain. Lunar impact craters range from microscopic craters on lunar rocks returned by the Apollo Program and small, simple, bowl-shaped depressions in the lunar regolith to large, complex, multi-ringed impact basins. Meteor Crater is a well-known example of a small impact crater on Earth. Impact craters are the dominant geographic features on many solid Solar System objects including the Moon, Mercury, Callisto, Ganymede and most small moons and asteroids. On other planets and moons that experience more active surface geological processes, such as Earth, Venus, Europa, Io and Titan, visible impact craters are less common because they become eroded ...
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Mare Insularum
Mare Insularum (Latin ''īnsulārum'', the "sea of islands") is a lunar mare located in the Insularum basin just south of the western Mare Imbrium. The basin material is of the Lower Imbrian epoch, with the mare material of the Upper Imbrian epoch. The mare is bordered by the craters Copernicus on the east, and Kepler on the west. Oceanus Procellarum joins the mare to the southwest. Copernicus is one of the most noticeable craters on the Moon. The rays from both Kepler and Copernicus protrude into the mare. It is located near the crater Fra Mauro, the site of the Apollo 14 Apollo 14 (January 31, 1971February 9, 1971) was the eighth crewed mission in the United States Apollo program, the third to land on the Moon, and the first to land in the lunar highlands. It was the last of the " H missions", landings at s ... landing. Sinus Aestuum forms a northeastern extension to the mare. The name was suggested by lunar geologist Don E. Wilhelms.To a Rocky Moon: A Geologist's ...
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Gambart (crater)
Gambart is a small lunar impact crater on the Mare Insularum, near the central region of the Moon. It is named after French astronomer Jean-Félix Adolphe Gambart. It can be located to the south-southeast of the prominent ray crater Copernicus. In the past, the floor of Gambart has been flooded with lava, leaving a relatively flat surface surrounded by a smooth but somewhat polygon-shaped outer rim. To the southwest of Gambart is an area of hilly terrain deposited from ejecta during the Mare Imbrium impact, known as the Fra Mauro Formation. The smaller Gambart C crater is located to the northeast of Gambart itself. Roughly between Gambart and Gambart C is a lunar dome, a type of shield volcano. The Surveyor 2 probe crashed to the northeast of Gambart C. Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Gambart. Images File:Gambart A crater 4121 h1.jpg, Lunar Orbiter 4 image ...
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Palimpsest
In textual studies, a palimpsest () is a manuscript page, either from a scroll or a book, from which the text has been scraped or washed off so that the page can be reused for another document. Parchment was made of lamb, calf, or kid skin and was expensive and not readily available, so, in the interest of economy, a page was often re-used by scraping off the previous writing. In colloquial usage, the term ''palimpsest'' is also used in architecture, archaeology and geomorphology to denote an object made or worked upon for one purpose and later reused for another; for example, a monumental brass the reverse blank side of which has been re-engraved. Etymology The word ''palimpsest'' derives from the Latin '' palimpsestus'', which derives from the Ancient Greek παλίμψηστος (, from + = 'again' + 'scrape'), a compound word that describes the process: "The original writing was scraped and washed off, the surface resmoothed, and the new literary material written o ...
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Lava
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from . The volcanic rock resulting from subsequent cooling is also often called ''lava''. A lava flow is an outpouring of lava during an effusive eruption. (An explosive eruption, by contrast, produces a mixture of volcanic ash and other fragments called tephra, not lava flows.) The viscosity of most lava is about that of ketchup, roughly 10,000 to 100,000 times that of water. Even so, lava can flow great distances before cooling causes it to solidify, because lava exposed to air quickly develops a solid crust that insulates the remaining liquid lava, helping to keep it hot and inviscid enough to continue flowing. The word ''lava'' comes from Italian and is probably derived from the Latin word ''labes ...
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AS12-50-7436 (21081642133)
AS1 or AS-1 may refer to: * ActionScript version 1 * As One (Hong Kong band) * AS1 (networking) * AS-1, a Soviet-era prototype assault rifle that led to the AN-94 * Raduga KS-1 Komet, a missile referred to as the AS-1 'Kennel' by the West * ''RuPaul's Drag Race All Stars 1'' (season 1) * Smith & Wesson AS The Smith & Wesson AS (Assault Shotgun) is a prototype 12-gauge select-fire shotgun manufactured by Smith & Wesson. Its layout is similar to the M16 rifle and fed from a 10-round magazine. The AS was a rival to the Heckler & Koch HK CAWS.The Direc ...
, a 12-gauge select-fire shotgun. {{Letter-Number Combination Disambiguation ...
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NASA
The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding the National Advisory Committee for Aeronautics (NACA), to give the U.S. space development effort a distinctly civilian orientation, emphasizing peaceful applications in space science. NASA has since led most American space exploration, including Project Mercury, Project Gemini, the 1968-1972 Apollo Moon landing missions, the Skylab space station, and the Space Shuttle. NASA supports the International Space Station and oversees the development of the Orion spacecraft and the Space Launch System for the crewed lunar Artemis program, Commercial Crew spacecraft, and the planned Lunar Gateway space station. The agency is also responsible for the Launch Services Program, which provides oversight of launch operations and countdown management f ...
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