Santa María Rupes
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Santa María Rupes
Santa María Rupes is a prominent lobate escarpment and fault line on Mercury. According to data from Arecibo, it has a relief of roughly 700m. The formation was named after the ship '' Santa María,'' used by Christopher Columbus''.'' The escarpment was probably created as Mercury cooled and thus contracted. See also *List of escarpments A list of escarpments follows below. Planets Earth Africa * Elgeyo Escarpment (Kenyan Rift Valley, Great Rift Valley) * Great Escarpment, Southern Africa **Including the Drakensberg and God's Window in Mpumalanga's Eastern Escarpment * Bandiag ... References Scarps on Mercury {{Mercury-planet-stub ...
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Mariner 10
''Mariner 10'' was an American Robotic spacecraft, robotic space probe launched by NASA on 3 November 1973, to fly by the planets Mercury (planet), Mercury and Venus. It was the first spacecraft to perform flybys of multiple planets. ''Mariner 10'' was launched approximately two years after ''Mariner 9'' and was the last spacecraft in the Mariner program. (Mariner 11 and Mariner 12 were allocated to the Voyager program and redesignated ''Voyager 1'' and ''Voyager 2''.) The mission objectives were to measure Mercury's environment, atmosphere, surface, and body characteristics and to make similar investigations of Venus. Secondary objectives were to perform experiments in the interplanetary medium and to obtain experience with a dual-planet gravity assist mission. ''Mariner 10''s science team was led by Bruce C. Murray at the Jet Propulsion Laboratory. Design and trajectory ''Mariner 10'' was the first mission to use a gravity assist from one planet (in this case, Venus) t ...
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Santa María (ship)
''La Santa María de la Inmaculada Concepción'' ( ), or ''La Santa María'' (), originally ''La Gallega'' (), was the largest of the three small ships used by Christopher Columbus in his first expedition across the Atlantic Ocean in 1492, with the backing of the Spanish monarchs. Her master and owner was Juan de la Cosa. History ''Santa María'' was built in Pontevedra, Galicia. ''Santa María'' was a medium-sized commercial nau or carrack, about long on deck, and according to Juan Escalante de Mendoza in 1575, ''Santa María'' was "''very little larger than'' 100 toneladas" (about 100 tons, or tuns) burthen, or burden, and was used as the flagship for the expedition. ''Santa María'' had a single deck and three small masts. The other ships of the Columbus expedition were the smaller caravel-type ships ''Santa Clara''; one particular ship sailed for 46 years and was remembered as ''La Niña'' ("''The Girl''"), and ''La Pinta'' ("''The Painted''"). All these ships w ...
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Escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations. Due to the similarity, the term '' scarp'' may mistakenly be incorrectly used interchangeably with ''escarpment.'' ''Escarpment'' referring to the margin between two landforms, and ''scarp'' referring to a cliff or a steep slope. In this usage an escarpment is a ridge which has a gentle slope on one side and a steep scarp on the other side. More loosely, the term ''scarp'' also describes a zone between a coastal lowland and a continental plateau which shows a marked, abrupt change in elevation caused by coastal erosion at the base of the plateau. Formation and description Scarps are generally formed by one of two processes: either by differential erosion of sedimentary rocks, or by movement of the Earth's crust at a geologic fault. The first process is the more common type: the escarpment is a transition from one seri ...
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Fault (geology)
In geology, a fault is a Fracture (geology), planar fracture or discontinuity in a volume of Rock (geology), rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust (geology), crust result from the action of Plate tectonics, plate tectonic forces, with the largest forming the boundaries between the plates, such as the megathrust faults of subduction, subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. A ''fault plane'' is the Plane (geometry), plane that represents the fracture surface of a fault. A ''fault trace'' or ''fault line'' is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geological maps to represent a fault. A ''fault zone'' is a cluster of parallel faults. However, the term is also used for the zone ...
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Mercury (planet)
Mercury is the first planet from the Sun. It is a rocky planet with a trace atmosphere. While it is the List of Solar System objects by size, smallest and least massive planet of the Solar System, its surface gravity is slightly higher than that of Mars. The surface of Mercury is similar to Earth's Moon, heavily Impact crater, cratered, with expansive rupes system, generated from thrust faults, and bright ray systems, formed by ejecta. Its largest crater, Caloris Planitia, has a diameter of , which is about one-third the diameter of the planet (). Being the most inferior planet, inferior orbiting planet it appears in Earth's sky, always close to the Sun, either as a "morning star" or an "evening star". It stays most of the time the closest to all other planets and is the planet with the highest delta-v needed to travel to from all other planets of the Solar System. Mercury's sidereal year (88.0 Earth days) and sidereal day (58.65 Earth days) are in a 3:2 ratio. This relation ...
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Arecibo Telescope
The Arecibo Telescope was a spherical reflector radio telescope built into a natural sinkhole at the Arecibo Observatory located near Arecibo, Puerto Rico. A cable-mount steerable receiver and several radar transmitters for emitting signals were mounted above the dish. Completed in November 1963, the Arecibo Telescope was the world's largest single-aperture telescope for 53 years, until it was surpassed in July 2016 by the Five-hundred-meter Aperture Spherical Telescope (FAST) in Guizhou, China. The Arecibo Telescope was primarily used for research in radio astronomy, atmospheric science, and radar astronomy, as well as for programs that search for extraterrestrial intelligence (SETI). Scientists wanting to use the observatory submitted proposals that were evaluated by independent scientific referees. NASA also used the telescope for near-Earth object detection programs. The observatory, funded primarily by the National Science Foundation (NSF) with partial support from NASA, ...
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List Of Escarpments
A list of escarpments follows below. Planets Earth Africa * Elgeyo Escarpment (Kenyan Rift Valley, Great Rift Valley) * Great Escarpment, Southern Africa **Including the Drakensberg and God's Window in Mpumalanga's Eastern Escarpment * Bandiagara Escarpment (Mali) * Zambezi Escarpment (Zambia) * Geography of Madagascar#East coast, East coast, Madagascar Antarctica * Usas Escarpment Asia * Sharon Escarpment, Israel * Tuwaiq, Saudi Arabia * Vindhya Range, India * Western Ghats, India * Wulian Feng, China Australia and New Zealand * Australia ** Great Escarpment, Australia ** Darling Scarp ** Illawarra escarpment, Illawarra Escarpment ** Lake George (New South Wales), Lake George Escarpment ** Nullarbor Plain#Geology and Geography, Nullarbor Escarpment * New Zealand ** The western slope of the Southern Alps (along the Alpine Fault) ** The Kaimai Range, Kaimai escarpment, above the Hauraki Plains ** The Paekākāriki escarpment between Paekākāriki and Pukerua Bay Europe * Eng ...
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