Extraterrestrial Environment: The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets.Mars: The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one of the four inner or terrestrial planets of the solar system.Volcanic Eruptions: The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Spacecraft: Devices, manned and unmanned, which are designed to be placed into an orbit about the Earth or into a trajectory to another celestial body. (NASA Thesaurus, 1988)NicaraguaMeteoroids: Any solid objects moving in interplanetary space that are smaller than a planet or asteroid but larger than a molecule. Meteorites are any meteoroid that has fallen to a planetary surface. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.Silicates: The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)Evolution, Planetary: Creation and development of bodies within solar systems, includes study of early planetary geology.Lions: Large, chiefly nocturnal mammals of the cat family FELIDAE, species Panthera leo. They are found in Africa and southern Asia.Geological Phenomena: The inanimate matter of Earth, the structures and properties of this matter, and the processes that affect it.Cichlids: Common name for perch-like fish of the family Cichlidae, belonging to the suborder Labroidei, order PERCIFORMES.Ice: The solid substance formed by the FREEZING of water.Iron Compounds: Organic and inorganic compounds that contain iron as an integral part of the molecule.Geology: The science of the earth and other celestial bodies and their history as recorded in the rocks. It includes the study of geologic processes of an area such as rock formations, weathering and erosion, and sedimentation. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Minor Planets: Small solar system planetary bodies including asteroids. Most asteroids are found within the gap lying between the orbits of Mars and Jupiter.Magnesium Compounds: Inorganic compounds that contain magnesium as an integral part of the molecule.Geologic Sediments: A mass of organic or inorganic solid fragmented material, or the solid fragment itself, that comes from the weathering of rock and is carried by, suspended in, or dropped by air, water, or ice. It refers also to a mass that is accumulated by any other natural agent and that forms in layers on the earth's surface, such as sand, gravel, silt, mud, fill, or loess. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1689)Elements: Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons.Minerals: Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Wind: The motion of air relative to the earth's surface.Calcium Sulfate: A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.Fresh Water: Water containing no significant amounts of salts, such as water from RIVERS and LAKES.Lakes: Inland bodies of still or slowly moving FRESH WATER or salt water, larger than a pond, and supplied by RIVERS and streams.Exobiology: The interdisciplinary science that studies evolutionary biology, including the origin and evolution of the major elements required for life, their processing in the interstellar medium and in protostellar systems. This field also includes the study of chemical evolution and the subsequent interactions between evolving biota and planetary evolution as well as the field of biology that deals with the study of extraterrestrial life.Angioplasty, Laser: A technique utilizing a laser coupled to a catheter which is used in the dilatation of occluded blood vessels. This includes laser thermal angioplasty where the laser energy heats up a metal tip, and direct laser angioplasty where the laser energy directly ablates the occlusion. One form of the latter approach uses an EXCIMER LASER which creates microscopically precise cuts without thermal injury. When laser angioplasty is performed in combination with balloon angioplasty it is called laser-assisted balloon angioplasty (ANGIOPLASTY, BALLOON, LASER-ASSISTED).Neodymium: Neodymium. An element of the rare earth family of metals. It has the atomic symbol Nd, atomic number 60, and atomic weight 144.24, and is used in industrial applications.Atmosphere: The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)Ferric Compounds: Inorganic or organic compounds containing trivalent iron.Africa, Eastern: The geographical area of Africa comprising BURUNDI; DJIBOUTI; ETHIOPIA; KENYA; RWANDA; SOMALIA; SUDAN; TANZANIA; and UGANDA.Spectrometry, Mass, Secondary Ion: A mass-spectrometric technique that is used for microscopic chemical analysis. A beam of primary ions with an energy of 5-20 kiloelectronvolts (keV) bombards a small spot on the surface of the sample under ultra-high vacuum conditions. Positive and negative secondary ions sputtered from the surface are analyzed in a mass spectrometer in regards to their mass-to-charge ratio. Digital imaging can be generated from the secondary ion beams and their intensity can be measured. Ionic images can be correlated with images from light or other microscopy providing useful tools in the study of molecular and drug actions.Water: A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Kaolin: The most common mineral of a group of hydrated aluminum silicates, approximately H2Al2Si2O8-H2O. It is prepared for pharmaceutical and medicinal purposes by levigating with water to remove sand, etc. (From Merck Index, 11th ed) The name is derived from Kao-ling (Chinese: "high ridge"), the original site. (From Grant & Hackh's Chemical Dictionary, 5th ed)Dental Cementum: The bonelike rigid connective tissue covering the root of a tooth from the cementoenamel junction to the apex and lining the apex of the root canal, also assisting in tooth support by serving as attachment structures for the periodontal ligament. (Jablonski, Dictionary of Dentistry, 1992)Root Resorption: Resorption in which cementum or dentin is lost from the root of a tooth owing to cementoclastic or osteoclastic activity in conditions such as trauma of occlusion or neoplasms. (Dorland, 27th ed)Spectrum Analysis: The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Aluminum Silicates: Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed)Genetic Speciation: The splitting of an ancestral species into daughter species that coexist in time (King, Dictionary of Genetics, 6th ed). Causal factors may include geographic isolation, HABITAT geometry, migration, REPRODUCTIVE ISOLATION, random GENETIC DRIFT and MUTATION.Microscopy, Electron, Scanning: Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.Bicuspid: One of the eight permanent teeth, two on either side in each jaw, between the canines (CUSPID) and the molars (MOLAR), serving for grinding and crushing food. The upper have two cusps (bicuspid) but the lower have one to three. (Jablonski, Dictionary of Dentistry, 1992, p822)Proteobacteria: A phylum of bacteria consisting of the purple bacteria and their relatives which form a branch of the eubacterial tree. This group of predominantly gram-negative bacteria is classified based on homology of equivalent nucleotide sequences of 16S ribosomal RNA or by hybridization of ribosomal RNA or DNA with 16S and 23S ribosomal RNA.DNA, Mitochondrial: Double-stranded DNA of MITOCHONDRIA. In eukaryotes, the mitochondrial GENOME is circular and codes for ribosomal RNAs, transfer RNAs, and about 10 proteins.Animals, Wild: Animals considered to be wild or feral or not adapted for domestic use. It does not include wild animals in zoos for which ANIMALS, ZOO is available.Body Weights and Measures: Measurements of the height, weight, length, area, etc., of the human and animal body or its parts.Actinobacteria: Class of BACTERIA with diverse morphological properties. Strains of Actinobacteria show greater than 80% 16S rDNA/rRNA sequence similarity among each other and also the presence of certain signature nucleotides. (Stackebrandt E. et al, Int. J. Syst. Bacteriol. (1997) 47:479-491)Ecosystem: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Genetic Variation: Genotypic differences observed among individuals in a population.Phylogeography: A field of study concerned with the principles and processes governing the geographic distributions of genealogical lineages, especially those within and among closely related species. (Avise, J.C., Phylogeography: The History and Formation of Species. Harvard University Press, 2000)Microsatellite Repeats: A variety of simple repeat sequences that are distributed throughout the GENOME. They are characterized by a short repeat unit of 2-8 basepairs that is repeated up to 100 times. They are also known as short tandem repeats (STRs).Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Haplotypes: The genetic constitution of individuals with respect to one member of a pair of allelic genes, or sets of genes that are closely linked and tend to be inherited together such as those of the MAJOR HISTOCOMPATIBILITY COMPLEX.Biological Evolution: The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.Sequence Analysis, DNA: A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Thebit is a lunar impact crater located on the southeast shore of Mare Nubium. To the north-northwest is the crater Arzachel, ... A prominent bowl-shaped crater, Thebit A, lies across the west-northwestern rim. The west-northwestern rim of this crater is ... Satellite craters[edit]. By convention these features are identified on lunar maps by placing the letter on the side of the ... The floor of Thebit crater is rough and has no central peak. The rim displays a terrace, and has a hilly outer rampart. ...
List of craters[edit]. The following is a list of craters in the quadrangle. The crater's central location is of the quadrangle ... Some are found in the Gorgonum Chaos[10][11] and in many craters near the large craters Copernicus and Newton (Martian crater). ... Breccia dikes and crater-related faults in impact craters on Mars: Erosion and exposure on the floor of a crater 75 km in ... Breccia Dikes and Crater-Related Faults in Impact Craters on Mars: Erosion and Exposure on the Floor of a 75-km Diameter Crater ...
Impact craters[edit]. Aside from the well known and well preserved Wolfe Creek Crater, averaging about 875 metres in diameter, ... nearby there is also Goat Paddock crater, 7 km in diameter and 106 km west-southwest of Halls Creek, and Piccaninny crater, 7 ... 180 m high crater-like feature, now exposed, being interpreted as the eroded relic of the crater's central uplift. ... Near the other end of the Tanami Road in the Northern Territory, over 1000 km away from Halls Creek, is Gosses Bluff crater, ...
The summit of Crater Peak is the highest point of Grand Mesa. "CRATER PK". Datasheet for NGS Station KL0706. United States ... "Crater Peak". Peakbagger.com. Retrieved 4 May 2016. "Crater Peak". Bivouac.com. Retrieved 4 May 2016. The summit of Hilgard ...
"Chicxulub Crater; a possible Cretaceous/Tertiary boundary impact crater on the Yucatan Peninsula, Mexico". Geology. 19 (9): 867 ... A large buried impact crater structure with an estimated age of about 66 million years was later identified under what is now ... 2.3.CO;2. Frankel, C. (1999). The End of the Dinosaurs: Chicxulub Crater and Mass Extinctions. Cambridge University Press. ISBN ... impact craters, and deposits reworked from one of the former structures. The largest known primary reserves are in the Bushveld ...
"Nomenclature Search Results: Rhea > Crater, Craters". usgs.gov. Gazetteer of Planetary Nomenclature - International ... is a crater chain. Rhean chasms are called chasmata. They are named after sacred places in world mythologies. Rhean craters are ... As of 2017, there are 128 named craters. back to top A fossa is a long, narrow depression. A linea is a long marking on a ... back to top List of craters in the Solar System List of quadrangles on Rhea Staff. "IAU - Gazetteer of Planetary Nomenclature ...
Krucoff, MW; Crater, SW; Gallup, D; Blankenship, JC; Cuffe, M; Guarneri, M; Krieger, RA; Kshettry, VR; Morris, K; Oz, M; ...
"West Crater". Global Volcanism Program. Smithsonian Institution. Marble Mountain-Trout Creek Hill. ...
One example of such a feature is the roughly 2000-year-old and 800 feet (240 m) deep Ubehebe Crater (photo) in the northern ... "Ubehebe Crater". Death Valley geology field trip. USGS. Retrieved 2010-11-25. Kiver 1999, p. 280. Collier 1990, p. 20. " ... part of the park; nearby smaller craters may be less than 200 to 300 years old. Sediment filled the subsiding Furnace Creek ...
4,980 feet (1,520 m) Crater Lake, 46°55′37″N 114°52′59″W / 46.92694°N 114.88306°W / 46.92694; -114.88306 (Crater Lake), el ... "Crater Lake". Geographic Names Information System. United States Geological Survey. "Crystal Lake". Geographic Names ...
... (crater). ...
The summit of Crater Peak is the highest point of Grand Mesa. "CRATER PK". Datasheet for NGS Station KL0706. United States ... "Crater Peak". Peakbagger.com. Retrieved March 2, 2016. "Crater Peak". Bivouac.com. Retrieved March 2, 2016. The elevation of ...
4,974 feet (1,516 m) Crater Mountain, 46°55′21″N 114°53′59″W / 46.92250°N 114.89972°W / 46.92250; -114.89972 (Crater ... "Crater Mountain". Geographic Names Information System. United States Geological Survey. "Cruzane Mountain". Geographic Names ...
The summit of Crater Peak is the highest point of Grand Mesa. "CRATER PK". Datasheet for NGS Station KL0706. United States ... "Crater Peak". Peakbagger.com. Retrieved 18 May 2016. "Crater Peak". Bivouac.com. Retrieved 18 May 2016. "Castle Peak". ... "Crater Peak". Geographic Names Information System. United States Geological Survey. " ...
A 5-mile (8 km)-wide meteorite impact crater is located in Elmore County, just north of Montgomery. This is the Wetumpka crater ... The hills just east of downtown Wetumpka showcase the eroded remains of the impact crater that was blasted into the bedrock, ... April 23, 2010). "Wetumpka Crater". Encyclopedia of Alabama. Retrieved December 13, 2011. "Encyclopedia of Alabama: Climate". ... with the area labeled the Wetumpka crater or astrobleme ("star-wound") because of the concentric rings of fractures and zones ...
West Crater is a small andesitic lava dome with associated lava flows in southern Washington. List of volcanoes in the United ... "West Crater". Global Volcanism Program. Smithsonian Institution. Retrieved 2007-05-13. ... ISBN 0-521-43811-X. "West Crater , Photo". Global Volcanism Program. Smithsonian Institution. Retrieved 2009-01-15. " ...
KIA 13 June 1918". Lochnagar Crater. 2013. Retrieved 25 August 2014. ...
The most heavily cratered surfaces (in Achaia region) have a crater retention age of about 3.6 ± 0.1 billion years. The surface ... Lutetia has an irregular shape and is heavily cratered, with the largest impact crater reaching 45 km in diameter. The surface ... likely because of a large crater, Suspicio Crater. It is not yet clear whether Rosetta's findings support this claim. The ... It is estimated to be 3 km thick and may be responsible for the softened outlines of many of the larger craters. The Rosetta ...
4,980 feet (1,520 m) Crater Mountain, 46°55′27″N 112°30′22″W / 46.92417°N 112.50611°W / 46.92417; -112.50611 (Crater ... "Crater Mountain". Geographic Names Information System. United States Geological Survey. "Crown Mountain". Geographic Names ...
2,995 feet (913 m) Crater Lake, 48°07′02″N 113°53′59″W / 48.11722°N 113.89972°W / 48.11722; -113.89972 (Crater Lake), el. ... "Crater Lake". Geographic Names Information System. United States Geological Survey. "Cree Lake". Geographic Names Information ...
He was consulted by William Gladstone Steel when the later was attempting to get federal protection for Crater Lake. Waldo ... "The Campaign to Establish a National Park in Oregon". Crater Lake. National Park Service. Retrieved 2006-12-21. Snowshoe Routes ...
7,329 feet (2,234 m) Crater Mountain, 48°06′59″N 113°54′39″W / 48.11639°N 113.91083°W / 48.11639; -113.91083 (Crater ... "Crater Mountain". Geographic Names Information System. United States Geological Survey. "Crossover Mountain". Geographic Names ...
The authors were proponents for a volcanic origin of the craters, a theory that was later proved incorrect. The crater ... "Carpenter crater". ESA. 2006. Cesare Barbieri, Francesca Rampazzi (2001). Earth-Moon Relationships. Springer. p. 213. ISBN ...
8,425 feet (2,568 m) Crater Lake, 45°21′33″N 111°00′12″W / 45.35917°N 111.00333°W / 45.35917; -111.00333 (Crater Lake), el ... "Crater Lake". Geographic Names Information System. United States Geological Survey. "Crescent Lake". Geographic Names ...
Karo crater: first name. Ngaio crater: first name, /ˈnaɪ.oʊ/; e.g. writer and theatre director Dame Ngaio Marsh Puhioia crater ... "Crater, craters: Karo on Venus". Gazetteer of Planetary Nomenclature. Retrieved 15 September 2010. "Ngaio on Venus". Gazetteer ... "Crater, craters: Tutanekai on Eros". Gazetteer of Planetary Nomenclature. Retrieved 15 September 2010. "Rata Mons". Gazetteer ... Tangaroa Crater: god of the sea "USGS Gazetteer of Planetary Nomenclature". United States Geological Survey. Retrieved 2 June ...
Mistastin crater is a meteorite crater in Labrador, Canada which contains the roughly circular Mistastin Lake. The lake is ... The age of the crater is calculated to be 36.4 ± 4 million years (Eocene). Mistastin crater was created 36 million years ago by ... Mak, E.K.C. York, D., Grieve, R.A.F. and Dence, M.R. (1976) "The age of the Mistastin Lake crater, Labrador, Canada". Earth and ... The presence of cubic zirconia around the crater rim suggests that the impact generated temperatures in excess of 2,370 °C ( ...
Thebit is a lunar impact crater located on the southeast shore of Mare Nubium. To the north-northwest is the crater Arzachel, ... A prominent bowl-shaped crater, Thebit A, lies across the west-northwestern rim. The west-northwestern rim of this crater is ... Satellite craters[edit]. By convention these features are identified on lunar maps by placing the letter on the side of the ... The floor of Thebit crater is rough and has no central peak. The rim displays a terrace, and has a hilly outer rampart. ...
... explosion Maar crater, a relief crater caused by a phreatic eruption or explosion Pit crater, a crater that forms through ... a crater-like formation created by erosion Crater, California, in Inyo County Cratering, when reindeer dig for lichens that ... a river of southern Italy Crater (Yemen) The Crater (novel) an 1847 book by James Fenimore Cooper Crater, a 2016 collaborative ... Crater may refer to: Impact crater, caused by two celestial bodies impacting each other, such as a meteorite hitting a planet ...
Subbotin is a lunar impact crater that is located to the west of the larger crater Pavlov, and to the east-northeast of ... By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is ... Since its formation, this crater has been heavily battered by smaller impacts, leaving the outer rim worn and marked by several ...
... perhaps more than one crater was involved. Of the two dozen or more impact craters known in Australia, the three largest are ... The crater is not exposed at the surface and therefore its size is uncertain. The original discovery team stated in 2000 that ... A more recent study in 2010 suggests the crater could be between 60 and 160 kilometres (37 and 99 mi) or more, and was produced ... Woodleigh is a large meteorite impact crater (astrobleme) in Western Australia, centred on Woodleigh Station east of Shark Bay ...
Several other craters lie across the rim of Olivier, most notably a crater cutting across the northern rim and several smaller ... It lies in a region of dense cratering on all sides. To the east-southeast is a younger but comparably sized crater named ... Southwest of Olivier is the crater Volterra. The southern rim of Olivier is covered by an unusual formation of small craters ... The crater lacks a central peak, and the only irregularities alie along the edge of the inner wall. By convention these ...
Alluvial fan in Crater Holden. Image 449 views 1 likes Science & Exploration Map showing crater and valley in context. Image ... Landslides inside a crater. Image 4878 views 21 likes Science & Exploration Becquerel Crater wind blown sediments. Image 5559 ... This complex impact crater has a diverse geologic history, as indicated by various features on the crater rim and floor. ... Over time the crater rim has undergone varying degrees of collapse, with landslides and slumped material visible in the crater ...
These images show a very young lunar crater on the side of the moon that faces away from Earth, as viewed by NASAs Moon ... These images show a very young lunar crater on the side of the moon that faces away from Earth, as viewed by NASAs Moon ... Both water- and hydroxyl-rich materials were found to be associated with material ejected from the crater. Credits: ISRO/NASA/ ... On the right, the distribution of water-rich minerals (light blue) is shown around a small crater. ...
NASAs Mars rover Spirit is scheduled to land in a strange crater that might be an ancient martian lake bed. ... Destination: Gusev Crater. On January 3, 2004, NASAs Mars rover Spirit is scheduled to land in a strange crater that might be ... Right: A Mars Global Surveyor image of Gusev Crater. The arrow indicates the direction of possible water flow into the crater ... For example, if indeed Gusev once held a giant lake (more than 10 times the size of the famous Crater Lake here in the US) ...
Scientists study Crater Lake with aquatic robots and highly sensitive sonar to unlock the mysteries of one of the worlds most ... Crater Lake Lodge. Unlike Lake Tahoe, which at a depth of 1,700 feet rivals that of Crater Lakes 1,932 feet, the park is ... Wizard Island sits at the center of Crater Lake. Scientific experiments have been conducted on Crater Lake for the last 100 ... A view of Crater Lake from the ridge of Mount Mazama. The rim of the lake is 33 curvy miles to the highest peak of nearly 9,000 ...
The symphony of color within the Aristarchus crater clearly shows a diversity of materials - anorthosite, basalt, and olivine. ... This color composite focuses on the 26-mile-diameter (42-kilometer-diameter) Aristarchus impact crater, and employs ultraviolet ...
... bringing the dinosaur era to an end and creating a massive crater in the process. ... The crater when an asteroid is believed to have struck Earth leading to the demise of the dinosaurs is offering up new clues. ... Dinosaur-killing asteroids crater yields new clues. NEW research at the impact site of the dinosaur-killing asteroid shows it ... In an effort to better understand that crater, scientists drilled down into part of it this spring in the Gulf of Mexico, ...
Meteor Crater, AZ The Barringer Meteorite Crater (also known as "Meteor Crater") is a gigantic hole in the middle of the arid ... The crater itself is nearly a 1500 m wide, and 180 m deep. When Europeans first discovered the crater, the plain around it was ... Scientists now believe that the crater was created approximately 50,000 years ago. The meteorite which made it was composed ...
Dawn took this picture of Dantu crater from an altitude of 915 miles (1,470 kilometers) during the third mapping orbit, in ... Dantu Crater Dawn took this picture of Dantu crater from an altitude of 915 miles (1,470 kilometers) during the third mapping ... You can find Dantu, but not Ghana, on this map.) The crater is about 77 miles (125 kilometers) across. Note the isolated bright ...
Search the best Zivy Crater vacation deals & save more when you book your flight + hotel together. Lowest price guaranteed or ... Book a Zivy Crater vacation package. Hotel Deals near your Zivy Crater Vacation. Price for 1 night 2 adults* ... Cheap Zivy Crater Vacations. Save Up to $369^ on your Trip when Booking Flight + Hotel Together. ...
Nearly 5 miles across and 3,000 feet deep, the stealth crater has lurked just west of Bow City, Alberta for millions of years, ... An extraterrestrial impact crater is hiding near a Canadian ghost town. ... Because of the craters placement near the surface, scientists suspect the asteroid impact that formed it occurred less than 70 ... Nearly 5 miles across and 3,000 feet deep, the stealth crater has lurked just west of Bow City, Alberta, for millions of years. ...
Lonar Crater Lake, Imagine a huge celestial body weighing over a million tonne hurtling at unimaginable high speed through the ... Lonar Crater Lake. Imagine a huge celestial body weighing over a million tonne hurtling at unimaginable high speed through the ... The rim of the crater measures about 2 km and you walk or drive around it for views of this astronomical wonder along with ... A high velocity fireball struck Lonar and its impact created a large crater that, over time, has transformed into a soda lake ...
crater synonyms, crater pronunciation, crater translation, English dictionary definition of crater. n. A constellation in the ... Latin crātēr, mixing bowl, crater; see crater.]. cra·ter. (krā′tər). n.. 1. A bowl-shaped depression created by the activity of ... crater. [ˈkreɪtəʳ] n → cratere m. crater. (ˈkreitə) noun. 1. the bowl-shaped mouth of a volcano. krater فُوَّهـة بُرْكـان ... cra′ter•like`, adj. cra·ter. (krā′tər). 1. A bowl-shaped depression at the top of a volcano or at the mouth of a geyser. ...
New photos of a huge crater on Mars suggest water may lurk in crevices under the planets surface, hinting that life might have ... Scientists focused on McLaughlin Crater because it is one of the deepest craters on Mars. McLaughlin is about 1.3 miles (2.2 km ... Today, the crater is bone-dry but harbors clay minerals and other evidence that liquid water filled the area in the ancient ... New photos of a huge crater on Mars suggest water may lurk in crevices under the planets surface, hinting that life might have ...
Amazing stratigraphy in a Mars crater. This oblique view shows geological layers of rock exposed on a mound inside Gale Crater ... The next generation of Mars rovers are slated to explore Holden crater as one of their stops, so well have a much more ... Image credit: NASA/JPL-Caltech/University of Arizona/USGS It is easy to forget how important impact craters are on planetary ... The thing thats interesting about this crater is that the deposits which arent found in the Martian streambeds are, ...
Meteor Crater, rimmed, bowl-shaped pit produced by a large meteorite in the rolling plain of the Canyon Diablo region, 19 miles ... 30 km) west of Winslow, Arizona, U.S. The crater is 4,000 feet (1,200 metres) in diameter and about 600 feet (180 metres) deep ... Meteor Crater, also called Barringer Meteorite Crater, Coon Butte, Arizona Meteor Crater, or Canyon Diablo, rimmed, bowl-shaped ... Meteor CraterMeteor Crater, near Winslow, Ariz.. Stan Shebs. Discovered in 1891, its age has been variously estimated at ...
Crater Lake is renowned for its crystal clear water and deep blue color. It is also Oregons only national park and a major ... Crater Lake Water Study. OPB Feb. 1, 1998 7:30 p.m. , Updated: April 2, 2015 5:56 a.m. ...
An Italian couple died trying to rescue their 11-year-old son after he fell into a volcanic crater in Italy on Tuesday, ... The boy reportedly walked into a prohibited area at the Solfatara Crater in Pozzuoli Italy, and may have fallen into the crater ... Boy and his parents die after falling into volcanic crater in Italy. USA Today NetworkMary Bowerman, USA TODAY Network ... ANSA said the parents tried to rescue the boy after he entered an off-limits area at the Solfatara Crater in Pozzuoli, and was ...
Indeed the crater of Ijen is beautiful garden of stone as well. The view of sulfur miners who climb and go down to the crater ... The sulfur crater lake lies between a natural dams of deeply etched rock. It is 200 meters deep and contains about 36million ... Inside the crater the different color and size of stones are found. ... Ijen Crater is the biggest crater lake in Java. ... Ijen Crater Ijen Crater is the biggest crater lake in Java. The ...
Two years after setting out for a big Martian crater that could hold clues about the Red Planets potential to support life, ... Opportunityturned its wheels toward the Endeavour crater in August 2008, after exploringanother crater, Victoria, for about two ... "Youcan use craters as a poor-mans probe into the subsurface," Golombek said. "You can often see actual strata oroutcrop on ... But Endeavour is a differentbeast; at 14 miles (22 km) wide, it will be the biggest crater a NASA rover hasever seen up close. ...
  • The road snakes from Arusha, one of Tanzania's busiest urban centers, all the way to Ngorongoro Crater, which the country's former president, Benjamin Mkapa, called "the crown jewel" of Tanzania's protected areas. (matadornetwork.com)
  • As you can see from the extensive list below, we offer plenty of Tanzania safari holidays including the Ngorongoro Crater. (expertafrica.com)
  • Possible destinations to combine with a trip to the Ngorongoro Crater are for instance Lake Manyara and the Serengeti migration area. (expertafrica.com)
  • This wonderful fly-in safari holiday allows you to visit three of the most famous parts of the northern safari circuit of Tanzania: Lake Manyara National Park, the Ngorongoro Crater, and the Serengeti National Park. (expertafrica.com)
  • This Tanzania safari holiday visits four of the country's most spectacular game viewing areas, including the captivating Serengeti, which is famous for the migration of millions of wildebeest, and the amazing Ngorongoro Crater. (expertafrica.com)
  • This stylish fly-in safari immerses you deep into two fantastic parks in northern Tanzania: the less-visited Tarangire National Park and the iconic Ngorongoro Crater and Serengeti National Park. (expertafrica.com)
  • This privately guided safari combines some incredible wildlife experiences - the mountain gorillas in Volcanoes National Park in Rwanda and game viewing in the Serengeti and Ngorongoro Crater in Tanzania. (expertafrica.com)
  • This great value holiday uses simple yet comfortable accommodation to explore Tarangire National Park the spectacular Ngorongoro Crater and one of the more prolific areas for game viewing in the Serengeti National Park. (expertafrica.com)
  • This exclusive fly-in safari holiday allows you to visit three of the most famous parts of the northern safari circuit of Tanzania: Tarangire National Park, while based in the private Chem Chem concession, the Ngorongoro Crater, and the Serengeti National Park. (expertafrica.com)
  • This exclusive Tanzania safari spends two nights on the rim of the Ngorongoro Crater, before heading into the Serengeti's private Grumeti Reserve for three nights at one of the region's top safari camps. (expertafrica.com)
  • We used Akaike's Information Criterion (AIC) to select the best approximating models explaining how demographic variables influenced pride persistence during a 30-year period in the Ngorongoro Crater, Tanzania, and identified landscape factors affecting those demographic variables. (springer.com)
  • The long-term research in the Ngorongoro Crater was funded by NSF grants LTREB 9903416 and EF 022543. (springer.com)
  • Estes RD (2002) Ngorongoro Crater ungulate study (1996-1999) final report, Part 1. (springer.com)
  • Estes RD, Small R (1981) The large herbivore population of Ngorongoro Crater. (springer.com)
  • Estes RD, Atwood JL, Estes AB (2006) Downward trends in Ngorongoro Crater ungulate populations 1986-2005: Conservation concerns and the need for ecological research. (springer.com)
  • Fyumagwa RD, Runyoro V, Horak IG, Hoare R (2007) Ecology and control of ticks as disease vectors in wildlife of the Ngorongoro Crater, Tanzania. (springer.com)
  • at 14 miles (22 km) wide, it will be the biggest crater a NASA rover hasever seen up close. (space.com)
  • Could NASA Rover Find Signs of Martian Life in Giant Crater? (space.com)
  • LOS ANGELES (AP) - NASA 's next Mars rover will land at the foot of a towering mountain inside a 96-mile-wide crater to search for evidence that the region once had conditions capable of supporting microbial life, project officials announced Friday. (washingtontimes.com)
  • We believe that at Gale Crater, we have located that boundary where life may have sprung up and where it may have been extinguished," said Mustard, who has science roles with an instrument aboard NASA 's Mars Reconnaissance Orbiter and another instrument aboard Europe's Mars Express. (washingtontimes.com)
  • In May, project scientists cut the list to two, Gale and Eberswalde craters, and forwarded the endorsement to NASA headquarters for the final decision. (washingtontimes.com)
  • Millions of years after it was formed, the crater is still easily visible in a topographic image that NASA created back in 2000. (kqed.org)
  • The corehole is located at the NASA Langley Research Center, Hampton, VA, near the southwestern margin of the Chesapeake Bay impact crater. (wikiversity.org)
  • This movie, based on images taken by ESA's Mars Express, showcases the 102 km wide Neukum Crater in the southern hemisphere of Mars. (esa.int)
  • The crater is named for the German physicist and planetary scientist, Gerhard Neukum, one of the founders of ESA's Mars Express mission who inspired and led the development of the high-resolution stereo camera on Mars Express. (esa.int)
  • Neukum Crater is situated in Noachis Terra, one of the oldest known regions on Mars, dating back to at least 3.9 billion years. (esa.int)
  • On January 3, 2004, NASA's Mars rover Spirit is scheduled to land in a strange crater that might be an ancient martian lake bed. (nasa.gov)
  • The site is Gusev Crater, a 90-mile wide hole in the ground that probably formed three to four billion years ago when an asteroid crashed just south of Mars' equator. (nasa.gov)
  • A Mars Global Surveyor image of Gusev Crater. (nasa.gov)
  • New photos of a huge crater on Mars suggest water may lurk in crevices under the planet's surface, hinting that life might have once lived there, and raising the possibility that it may live there still, researchers say. (yahoo.com)
  • Scientists focused on McLaughlin Crater because it is one of the deepest craters on Mars. (yahoo.com)
  • Well, over the weekend I got an interesting email from National Geographic Magazine about Holden Crater on Mars, asking for my comments about Mars' wet past in general. (scienceblogs.com)
  • Apparently, Mars HiRISE looks like it's found those sedimentary deposits that I was talking about at the bottom of this crater: there are layers of clay! (scienceblogs.com)
  • The next generation of Mars rovers are slated to explore Holden crater as one of their stops, so we'll have a much more definite answer as to what went on there. (scienceblogs.com)
  • This oblique view shows geological layers of rock exposed on a mound inside Gale Crater on Mars. (scienceblogs.com)
  • Barata T, Alves EI, Machado A, Barberes GA (2012) Characterization of palimpsest craters on Mars. (springer.com)
  • This computer-generated view based on multiple orbital observations shows Mars' Gale crater as if seen from an aircraft northwest of the crater. (space.com)
  • NASA's next Mars rover, the car-size Curiosity, is slated to land in a huge crater called Gale in August 2012. (space.com)
  • This oblique view of the lower mound in Gale crater shows layers of rock that preserve a record of environments on Mars. (space.com)
  • Stickney crater, at 9 km across, dominates the morphology of ~22 km Phobos, the larger of the two moons of Mars. (osti.gov)
  • Gale Crater was chosen as the target for the $2.5 billion Mars Science Laboratory mission after an extensive review of dozens of potential sites, officials said in webcast from the Smithsonian's National Air and Space Museum in Washington, D.C. (washingtontimes.com)
  • In the mid-1970s, while the two Viking landers were en route to Mars , engineers rushed to find alternate landing sites after the original choices were discovered to be too dangerous. (washingtontimes.com)
  • NASA's Opportunity rover was just been photographed from Mars Orbit while perched at the precipice of Santa Maria crater - just meters away from the edge of the Southwest rim . (universetoday.com)
  • Opportunity is imaging the crater interior to better understand the geometry of rock layers as a means of defining the stratigraphy and the impact process, says Matt Golembek, Mars Exploration Program Landing Site Scientist at the Jet Propulsion Laboratory (JPL), Pasadena, Calif. (universetoday.com)
  • By studying the origin and structure of large impact craters on Earth, scientists might narrow the search for life on Mars. (eurekalert.org)
  • There's another crater named after Tycho on Mars. (brighthub.com)
  • The crater on Mars is named Tycho Brahe, and is bigger than the one on the Moon, which is simply named Tycho. (brighthub.com)
  • The Mars Exploration Rover Spirit investigated plains at Gusev crater , where sedimentary rocks are present. (omicsonline.org)
  • NASA's Mars Science Laboratory touched down in Gale Crater on 5th August 2012 close to the equator of Mars at a latitude of 4.5 degrees south. (phys.org)
  • We model the fluids involved in the alteration processes recorded in the Sheepbed Member mudstones of Yellowknife Bay (YKB), Gale crater, Mars, as revealed by the Mars Science Laboratory Curiosity rover investigations. (diva-portal.org)
  • We compare the Gale crater waters with fluids modeled for shergottites, nakhlites, and the ancient meteorite ALH 84001, as well as rocks analyzed by the Mars Exploration rovers, and with terrestrial ground and surface waters. (diva-portal.org)
  • The video shows a simulated flight over Jezero crater on Mars. (dlr.de)
  • The video shows a simulated overflight over the landing site of the Perseverance rover of NASA's Mars 2020 mission, which is located in the Jezero crater, where a crater lake existed more than 3.5 billion years ago. (dlr.de)
  • Jezero is not just any impact crater on Mars. (dlr.de)
  • This is why Jezero Crater is the destination of NASA's Mars 2020 mission, which is scheduled to launch on 30 July 2020 at 13:50 CEST and which will begin searching for traces of life in the former crater lake in February 2021. (dlr.de)
  • Jezero Crater is located on the northwestern edge of Isidis Planitia, one of the largest impact basins on Mars. (dlr.de)
  • NASA's Mars 2020 mission will use intensive and complex chemical investigations and sampling to investigate whether life once originated in this crater lake. (dlr.de)
  • Research of Lonar crater provides valuable information about the consequences of meteoritic impact on such planets as Mars. (wondermondo.com)
  • This picture shows the part of Mars near Gusev Crater. (windows2universe.org)
  • Gusev crater is near the middle of this view of Mars. (windows2universe.org)
  • Gusev Crater is an impact crater on Mars that looks as though a lake may have once filled it in the distant past. (windows2universe.org)
  • One of the two Mars Exploration Rovers (MER) will explore Gusev Crater beginning in January 2004. (windows2universe.org)
  • The South Pole of Mars has craters, sand dunes, and the polar ice cap. (windows2universe.org)
  • This picture shows the area on Mars around Gusev Crater. (windows2universe.org)
  • The first of two Mars Exploration Rovers (MER) landed within Gusev Crater on Mars on January 3, 2004. (windows2universe.org)
  • Isidis Planitia is a flat plain inside a very old crater on Mars. (windows2universe.org)
  • If the whole thing was EM, I'd expect the "craters" to be dwell points, and the rifts to be skip stretches, and the EDM should be more or less continuous. (thunderbolts.info)
  • These sediments, which, researchers hope were deposited by water, may have been covered by dust and sand that's blown into the crater over the past two billion years. (nasa.gov)
  • These are important because they may have rapidly buried crater floor sediments. (yahoo.com)
  • It is presumed that these sediments were formed by the interaction of emerging ground water in low-lying regions (impact craters, for example) and dust transported by the wind, possibly in conjunction with ash deposits. (dlr.de)
  • Striking features formed by the erosion and deposition of material by the wind, such as an accumulation of bright layers of sulphurous sediments are visible in Becquerel Crater. (dlr.de)
  • In the background and inside Becquerel Crater, a mountain around a kilometre high, consisting of bright, sulphurous sediments can be seen. (dlr.de)
  • Worn by erosion and obscured by sediments and Kalahari sands, the crater is unrecognizable on the surface but was discovered by Marco Andreoli as a circular pattern of magnetic anomalies during early-1990s mining explorations (as documented in the book A Century of Geological Endeavour in Southern Africa 1895-1995 . (hawaii.edu)
  • The impact structure itself, with a ring zone of down-faulted Paleozoic sediments, has been optimal for deep colonization, because organics and hydrocarbons from shales have migrated throughout the fractured crater and have acted as energy sources for the deep microbial communities. (icr.org)
  • The crater is now very shallow because it has been extensively filled by lake sediments and material carried in by the wind. (dlr.de)
  • Mistastin crater was created 36 million years ago by a violent asteroid impact. (wikipedia.org)
  • The presence of cubic zirconia around the crater rim suggests that the impact generated temperatures in excess of 2,370 °C (4,300 °F) (halfway that of the surface of the Sun), the highest crustal temperatures known on Earth and produced global changes that lasted for decades after the impact. (wikipedia.org)
  • Thebit is a lunar impact crater located on the southeast shore of Mare Nubium . (wikipedia.org)
  • Subbotin is a lunar impact crater that is located to the west of the larger crater Pavlov, and to the east-northeast of Lampland. (wikipedia.org)
  • Woodleigh is a large meteorite impact crater (astrobleme) in Western Australia, centred on Woodleigh Station east of Shark Bay, Gascoyne region. (wikipedia.org)
  • The larger estimate of 120 km, if correct, would make this crater tied for the fourth largest confirmed impact structure in the world, and imply a bolide (asteroid or comet) about 5 to 6 km (3.1 to 3.7 mi) in diameter. (wikipedia.org)
  • There is evidence for other large impact events at around the same time, such as the East Warburton Basin, so if the extinction is related to impact, perhaps more than one crater was involved. (wikipedia.org)
  • Of the two dozen or more impact craters known in Australia, the three largest are Woodleigh, Acraman, and Tookoonooka. (wikipedia.org)
  • The Gnargoo structure, which has remarkable similarities to Woodleigh, is a nearby proposed impact crater on the Gascoyne platform. (wikipedia.org)
  • This complex impact crater has a diverse geologic history, as indicated by various features on the crater rim and floor. (esa.int)
  • This color composite focuses on the 26-mile-diameter (42-kilometer-diameter) Aristarchus impact crater, and employs ultraviolet- to visible-color-ratio information to accentuate differences that are potentially diagnostic of ilmenite- (i.e, titanium oxide) bearing materials as well as pyroclastic glasses. (hubblesite.org)
  • The Yucatán impact created a phenomenon called a peak ring, which is what the researchers drilled down into - it's "an uneven ring of rocky hills within the crater bowl," a scientist wrote in a commentary accompanying the new study. (news.com.au)
  • SAN FRANCISCO - An extraterrestrial impact crater is hiding near a Canadian ghost town. (wired.com)
  • And, like many of the solar system's most notable impact scars, the Bow City crater even formed the characteristic central peak, visible in the seismic data. (wired.com)
  • A high velocity fireball struck Lonar and its impact created a large crater that, over time, has transformed into a soda lake surrounded by slopes of an oval forest-covered hill. (indiatimes.com)
  • An Australian Aboriginal dreaming story has helped experts uncover a meteorite impact crater in the outback of the Northern Territory. (slashdot.org)
  • Which leaves you thinking - if the moon is made almost entirely out of ice, and that sort of impact sure caused the ice to melt/boil/sublimate - how come the crater looks so much like a "rocky" crater? (universetoday.com)
  • Impact cratering is a fundamental geologic process that has affected all bodies within the Solar System. (usra.edu)
  • Craters on solid planetary surfaces are divided into three groups based on their morphology, which varies as a function of diameter: simple craters, complex craters, and impact basins. (usra.edu)
  • The effects of a number of impact parameters, including impactor size, surface gravity and target temperature, on the cratering process are also highlighted. (usra.edu)
  • In this scenario, a crater ~2.4 kilometers in diameter with a depth of 600 meters, similar to the dimensions of Linné crater, is formed within ~60 seconds of the initial impact. (usra.edu)
  • What happens to the crater formation process described above if the impactor size, impactor density, and impact velocity are changed? (usra.edu)
  • Here, the final crater is ~4.6 kilometers in diameter, similar in size to the lunar crater Armstrong and roughly twice that of the canonical impact above, and is formed in ~150 seconds. (usra.edu)
  • This is a map view of the impact region outlining the Alamo impact crater and the possible location (dotted lines and question marks) of its complex crater features. (eurekalert.org)
  • The crater was filled-in with fragmented rock, and later with more typical ocean deposits, as the energy from the impact lessened and the environment returned to normal. (eurekalert.org)
  • By studying the distribution and features of the post-impact ocean deposits and fragmented rock that filled the crater, Andrew J. Retzler of Idaho State University and colleagues present a new map characterizing the size and shape of the Alamo crater. (eurekalert.org)
  • Their results indicate that only about half of the Alamo impact crater and its related deposits are now exposed within the region, and they estimate its total diameter to be between 111 and 150 km. (eurekalert.org)
  • This is more than double previous estimates and, if correct, places the Alamo crater as one of the largest marine impacts in the last 550 million years, conservatively larger than the well-studied Chesapeake Bay impact crater (about 35 million years old) on the eastern shore of North America. (eurekalert.org)
  • Santa Maria is a relatively young, 90 meter-diameter impact crater (note blocks of ejecta around the crater), but old enough to collect sand dunes in its interior. (universetoday.com)
  • It has a diameter of at least 70 kilometers and is one of the largest terrestrial impact craters known today. (hawaii.edu)
  • LEFT: This satellite view shows the location of the Morokweng impact crater in South Africa. (hawaii.edu)
  • In 1997 researchers from University of the Witwatersrand and their colleagues reported that boreholes drilled into the center of the crater hit an impact melt sheet at least 870 meters thick. (hawaii.edu)
  • The melt sheet is rock at the base of the crater that was liquified by heat of the impact. (hawaii.edu)
  • The age of the crater was determined by isotopic age dating of zircons plucked from the impact melt rock. (hawaii.edu)
  • First, it contains more meteorite fragments than melt sheets of most other impact craters--fragments thought to be relicts of the impactor that created the crater. (hawaii.edu)
  • The Chicxulub crater from the impact that's widely believed to have caused the Cretaceous-Tertiary Extinction 65.5 million years ago is visible here in a shaded relief image of Mexico's Yucatan Peninsula. (kqed.org)
  • The characteristics of the crater likely depend on the energy of impact broken down into at least angle, speed, media, and dissipation. (wikiversity.org)
  • It includes determining the internal structure of the terrestrial planets, planetary volcanism and surface processes such as impact craters, fluvial and aeolian processes. (wikiversity.org)
  • It is "found in extreme conditions such as the impact craters of meteorites. (wikiversity.org)
  • So far several of the polymorphs of α-quartz formed at high temperature and pressure occur with rock types away from meteorite impact craters. (wikiversity.org)
  • It is not a confirmed impact crater, but there is some compelling evidence. (gearthblog.com)
  • I have found a 130+ kilometer impact crater May 26,2007 at 27d N x 107dW in Western Mexico, and nearby smaller craters as well. (gearthblog.com)
  • This image shows a series of snapshots obtained from computer simulations designed to study the formation of craters due to the impact of a smaller body on asteroids and planetary surfaces. (esa.int)
  • In particular, these snapshots have been drawn from a simulation used to model the impact that created Massilia, the largest crater identified on Lutetia. (esa.int)
  • After analyzing the minerals in six plots of soil at the bottom of the South Pole-Aitken basin, a team of researchers argues that the crater's composition is all crust and no mantle, suggesting that whatever impact opened the crater billions of years ago did not hit hard enough to spray the moon's innards onto the surface. (livescience.com)
  • CHAMPAIGN, Ill. -- Two of the three largest impact craters on Earth have nearly the same size and structure, researchers say, but one was caused by a comet while the other was caused by an asteroid. (eurekalert.org)
  • While the size and structure of the two craters were similar, they differed greatly in the amount of impact melt that was produced," said Kieffer, who presented the team's findings at the annual meeting of the Geological Society of America, held Oct. 27-30 in Denver. (eurekalert.org)
  • According to the simulation results, the difference in melt volume could be readily explained if Chicxulub -- the impact crater that doomed the dinosaurs -- was formed by an asteroid and Sudbury was formed by a comet. (eurekalert.org)
  • First data include buried impact craters, probing of layered deposits at the north pole and hints of the presence of deep underground water-ice. (esa.int)
  • Only glimpses of the Martian depths could be deduced through analysis of impact crater and valley walls, and by drawing cross-sections of the crust deduced from geological mapping of the surface. (esa.int)
  • The detection of a large buried impact basin suggests that MARSIS data can be used to unveil a population of hidden impact craters in the northern lowlands and elsewhere on the planet,' says Jeffrey Plaut, Co-Principal Investigator on MARSIS. (esa.int)
  • Curtin University's geomicrobiologist Associate Professor Marco Coolen is currently in Mexico to sample the impact site of the Chicxulub Impact Crater in the Gulf of Mexico. (phys.org)
  • Do you contend that impacters would produce thermonuclear explosions at points of impact, which would leave craters with clean floors free of debris? (thunderbolts.info)
  • I think you stated last year or so that rilles seen around impact craters on Earth would have formed electrically as the impacter neared the impact point. (thunderbolts.info)
  • L onar crater is unique impact structure - the only large impact crater in basalt on Earth with unusual soda lake in it. (wondermondo.com)
  • Lonar crater has distinct rims and is visually one of most prominent impact craters on Earth. (wondermondo.com)
  • At some time specialists considered that this crater was created by an eruption of volcano but now it is proved that meteorite impact is the cause. (wondermondo.com)
  • Around the crater is ejecta blanket - layer of debris, which fell on the ground after the impact. (wondermondo.com)
  • This is the only impact crater fully created in basaltic rock. (wondermondo.com)
  • Ambar lake - another impact crater? (wondermondo.com)
  • Although it is speculated that this smaller crater might have been created by the debris from the large crater, it most likely was created by another piece of meteorite - thus this is one more impact crater. (wondermondo.com)
  • Tall rims of crater protect the lake from the impact of winds, different parts of lake do not get mixed, lake basin has its own regime of increased humidity and temperature. (wondermondo.com)
  • Olivier is an old, eroded crater that is located in the northern hemisphere on the far side of the Moon. (wikipedia.org)
  • These images show a very young lunar crater on the side of the moon that faces away from Earth, as viewed by NASA's Moon Mineralogy Mapper on the Indian Space Research Organization's Chandrayaan-1 spacecraft. (nasa.gov)
  • Turns out Wiki's got us covered, on both the moon and the crater. (universetoday.com)
  • The following video illustrates the formation of a simple crater on the Moon. (usra.edu)
  • A topographic map shows Orientale basin (580 miles in diameter), the largest young crater on the Moon. (foxnews.com)
  • A lunar topographic map shows one of the most densely cratered regions on the Moon. (foxnews.com)
  • The Scott Dominguez - Craters of the Moon Chapter Scholarship is available to students pursuing an undergraduate degree in occupational safety and health or a closely related field. (fastweb.com)
  • Priority is given to students who reside within the Craters of the Moon Chapter, the state of Idaho, or Region II. (fastweb.com)
  • Craters of the Moon National Monument and Preserve is a United States National Monument in the Snake River Plain of Central Idaho . (wikitravel.org)
  • The area was designated the Craters of the Moon Wilderness in 1970 by Congress, the first such designation within the National Park Service. (wikitravel.org)
  • Eruptions 2,000 years ago at the Craters of the Moon and the Wapi lava fields are among the most recent volcanic activity to take place anywhere in this immense geographic area. (wikitravel.org)
  • Animals that are unique to Craters of the Moon and the surrounding area include subspecies of Great Basin pocket mouse, pika, yellow pine chipmunk, and yellow-bellied marmot are found nowhere else in the world. (wikitravel.org)
  • Stretching 1,550 miles (2,500 kilometers) wide and 8 miles (13 km) deep, the South Pole-Aitken basin , as the tremendous hole is known to Earthlings, is the oldest and deepest crater on the moon, and one of the largest craters in the entire solar system. (livescience.com)
  • These findings all but rule out a direct collision with a high-velocity meteor and raise the question: What, if not a head-on meteor strike, created the largest crater on the moon? (livescience.com)
  • Yutu 2 found a strangely colored substance in a crater on the far side of the moon. (livescience.com)
  • A study published in 2012 in the journal Science argued that a slightly slower-moving meteor could have struck the back of the moon at an angle of about 30 degrees and resulted in an appropriately large crater that never disturbed the moon's mantle. (livescience.com)
  • Even a glance at the Moon will show that it's pockmarked with craters . (brighthub.com)
  • There are hundreds of named craters on the Moon and countless more that are unnamed. (brighthub.com)
  • Meteorites and other objects constantly strike the Earth and Moon, some more dramatically than others-consider the dinosaurs-but on the Moon, craters pretty much remain unchanged over the eons unless they're hit by other impactors. (brighthub.com)
  • Here are some interesting facts about a few people whose names were given to Moon craters. (brighthub.com)
  • Tycho Brahe (1546-1601) was a Danish astronomer whose name was given to a Moon crater. (brighthub.com)
  • His crater is in the southern hemisphere of the Moon, is about 53.5 miles across and only three miles deep. (brighthub.com)
  • The Giordano Bruno Crater is on the far side of the Moon, but since it's close to the limb, or edge, of the Moon there are times when the observer can just see it, which a group of English monks did in the 12th century. (brighthub.com)
  • Schrödinger's Crater is on the far side of the Moon near the south pole, and since the far side of the Moon never faces the Earth, it can only be seen from orbit. (brighthub.com)
  • Several other craters lie across the rim of Olivier, most notably a crater cutting across the northern rim and several smaller craters in the eastern rim. (wikipedia.org)
  • Many smaller craters have also overprinted the rim and pockmarked the interior since Neukum Crater was formed, highlighting its long history. (esa.int)
  • The lake is approximately 16 km (9.9 mi) in diameter, while the estimated diameter of the original crater is 28 km (17 mi). (wikipedia.org)
  • When Europeans first discovered the crater, the plain around it was covered with chunks of meteoritic iron - over 30 tons of it, scattered over an area 12 to 15 km in diameter. (nasa.gov)
  • Tethys is covered in craters of all sizes but by far the most dramatic of all is the enormous Odysseus crater, which spans an impressive 450 kilometers (280 miles) of the moon's northern hemisphere - nearly two-fifths of its entire diameter! (universetoday.com)
  • Becquerel Crater, to the right in the centre of the image, is 167 kilometres in diameter. (dlr.de)
  • Comparing this photo with one of the same area that was taken before the strike confirmed the appearance of a 10-metre-diameter crater. (thestar.com)
  • With a diameter of 57 km, this crater provides evidence of the most dramatic event in the history of Lutetia. (esa.int)
  • Comparing the results of the simulations with images of Massilia suggests that the 'projectile' responsible for producing this very wide crater was quite large, with a diameter of about 7.5 km. (esa.int)
  • In their field studies, the researchers found that both craters were about 200 kilometers in diameter. (eurekalert.org)
  • This crater is about 57 miles in diameter and is in the Mare Imbrium. (brighthub.com)
  • The crater is massive, covering 180km in diameter-the distance from Perth to Bunbury-and 30km deep, nearly 3.5 times the height of Mount Everest. (phys.org)
  • The crater has a diameter of approximately 45 kilometres, and its heavily eroded rim is breached to the west and east by inflow and outflow channels respectively. (dlr.de)
  • Crater has slightly oval form, with a diameter of 1,800 m. (wondermondo.com)
  • The South Pole-Aitken basin (represented by the shades of blue at the center) stretches 1,550 miles (2,500 kilometers) across and is one of the solar system's largest craters. (livescience.com)
  • On a clear night, the moon's battered history comes into sharp relief: Even from 240,000 miles away, its largest craters are so massive as to be visible to the naked eye. (scienceblog.com)
  • In a 1988 or 1989 edition of Astronomy Now (an english astronomy magazine), there was a very interesting article detailing Australian meteor craters. (slashdot.org)
  • A white bark pine tree at Crater Lake's Sinnott Memorial Overlook suffers from disease. (zdnet.com)
  • A model of Crater Lake at the Sinnott Memorial Overlook gives visitors a broader prospective of the lake's clarity, depth and structure. (zdnet.com)
  • Unlike Lake Tahoe, which at a depth of 1,700 feet rivals that of Crater Lake's 1,932 feet, the park is largely unpopulated and un-commercialized. (zdnet.com)
  • This is the world's only hyper-velocity meteoric crater in basaltic rock and the lake's water is seven times saltier than sea water. (indiatimes.com)
  • Guides push people up to the edge of the crater, but the taxi can't make the trek down inside the crater to see the blue flames. (gonomad.com)
  • Taken together, the observations in McLaughlin Crater provide the best evidence for carbonate forming within a lake environment instead of being washed into a crater from outside," study lead author Joseph Michalski, of the Planetary Science Institute in Tucson, Ariz., and London's Natural History Museum, said in a statement. (yahoo.com)
  • John "Jack" Mustard, a planetary geologist at Brown University, said in a statement that Gale Crater is believed to cross a "major time boundary" documented in mineral history. (washingtontimes.com)
  • The thing that's interesting about this crater is that the deposits which aren't found in the Martian streambeds are, presumably, found here in the crater. (scienceblogs.com)
  • The rover has been exploring around the western portion of Santa Maria crater since arriving and is now heading to the southeast rim which possesses deposits of hydrated minerals. (universetoday.com)
  • This shocked quartz grain is from the upper part of the crater-fill deposits at a depth of 820.6 ft in the core. (wikiversity.org)
  • A fluid local to Gale crater strata produced the alteration products observed by Curiosity and subsequent evaporation of this groundwater-type fluid formed impure sulfate- and silica-rich deposits-veins or horizons. (diva-portal.org)
  • There may be other clues to a watery past within the crater, such as deposits of minerals , such as halite and gypsum , that form when water evaporates. (windows2universe.org)
  • Crater Lake, in southern Oregon and about a two-hour drive from the California border, formed nearly 7,700 years ago when the volcano, Mount Mazama, violently erupted. (zdnet.com)
  • Volcanic craters can form because of magma explosions, in which a large amount of lava is thrown out from a volcano, leaving a hole, or because the roof of rock over an underground magma pool collapses after the magma has flowed away. (thefreedictionary.com)
  • Extraction of sulfur in the crater of a volcano. (pond5.com)
  • The crater is about 3,000 km (1,900 miles) southeast of the volcano Elysium Mons. (windows2universe.org)
  • What Curiosity will be doing is studying the many rock layers in Gale Crater , which boasts a huge sediment mound rising 3 miles (5 kilometers) into the Martian sky. (space.com)
  • The chosen crater is named for an Australian astronomer, Walter F. Gale. (washingtontimes.com)
  • The APXS instrument on Curiosity discovered unusual material in these veins that has the highest germanium concentrations found in Gale Crater. (cbc.ca)
  • Data gathered by the rover shows the APXS found high concentrations of both zinc and germanium - in the order of 10 to 100 times higher than normal - at Gale Crater, the location Curiosity has been exploring since it landed. (cbc.ca)
  • Hence, the Arabia Terra region (red and green areas) lies 4000 to 5500 metres below the areoid, and the deepest parts of Becquerel Crater (dark blue) are as much as 7000 metres below the areoid. (dlr.de)
  • On the basis of maximum depth, Crater Lake is the deepest lake in the United States . (wikipedia.org)
  • Crater Lake is also the ninth deepest lake in the world. (wikipedia.org)
  • However, on the basis of comparing average depths among the world's deepest lakes, Crater Lake is the third deepest in the world. (wikipedia.org)
  • The island here is called wizard island and the lake, crater lake, is one of the deepest fresh water lakes in the U.S. (over 1,900ft) There are no rivers flowing into the lake & it relies on rain and snowfall to stay full. (globosapiens.net)
  • The strata forming the rim of the crater are upturned and covered with the debris of the same bedrock, which shows an inverted stratigraphy . (britannica.com)
  • Susan Kieffer of the University of Illinois at Urbana-Champaign, Kevin Pope of Geo Eco Arc Research and Doreen Ames of Natural Resources Canada analyzed the structure and stratigraphy of the 65 million-year-old Chicxulub crater in Mexico and the 1.8 billion-year-old Sudbury crater in Canada. (eurekalert.org)
  • Since its formation, this crater has been heavily battered by smaller impacts, leaving the outer rim worn and marked by several small craterlets. (wikipedia.org)
  • Mounds seen on the crater floor may have come from landslides or subsequent meteor impacts. (yahoo.com)
  • As a result Tethys appears somewhat less cratered than sister moons Rhea and Dione, which still bear the marks of their earliest impacts… although looking at the region south of Odysseus it's hard to image a more extensively-cratered place. (universetoday.com)
  • Most bodies in the solar system are pockmarked from rock impacts, and the rest of Pluto's surface has craters large and small, so Sputnik Planitia shouldn't have been spared. (newscientist.com)
  • In addition to being evidence of past impacts, craters can serve another valuable scientific purpose. (nasa.gov)
  • The lowlands would have received the same number impacts per unit area during that time, but the molten rock didn't preserve the craters. (thunderbolts.info)
  • Mistastin crater is a meteorite crater in Labrador, Canada which contains the roughly circular Mistastin Lake. (wikipedia.org)
  • For example, if indeed Gusev once held a giant lake (more than 10 times the size of the famous Crater Lake here in the US) certain key minerals are likely to be found in its rocks. (nasa.gov)
  • A family enjoys Crater Lake, after climbing down the only trail that leads 1,000 feet down to the edge of the water. (zdnet.com)
  • About a half a million tourists visit Crater Lake every year and the most common question among them is, "Are there fish in the lake? (zdnet.com)
  • Crater Lake is one of the clearest freshwater lakes in the world because it contains very few nutrients and particles. (zdnet.com)
  • A park ranger with the National Park Service said that the tree's health, like others in the area, threatens the existence of the Clark's Nutcracker, one of the most common birds at Crater Lake. (zdnet.com)
  • Another common species of Crater Lake is the olden-mantled ground squirrel, a tiny brown animal that can be spotted foraging all over the park. (zdnet.com)
  • Here, he points to live video transmitted via satellite from a boat on Crater Lake, which is collecting video and data from a submersible robot in the Danger Bay area of the lake. (zdnet.com)
  • Collier and others are collecting samples of moss beds in the lake in order to study its age and the overall ecosystem of Crater Lake. (zdnet.com)
  • A view of Crater Lake from the ridge of Mount Mazama. (zdnet.com)
  • Wizard Island sits at the center of Crater Lake. (zdnet.com)
  • Scientific experiments have been conducted on Crater Lake for the last 100 years. (zdnet.com)
  • The rim of the crater measures about 2 km and you walk or drive around it for views of this astronomical wonder along with Little Lonar, a smaller lake on the outer periphery, also known as Ambar Lake. (indiatimes.com)
  • The mineral composition of the floor of McLaughlin Crater suggests there was a lake made of upwelled groundwater there. (yahoo.com)
  • The researchers estimate that a lake existed at McLaughlin Crater for an unknown duration between 3.7 billion and 4 billion years ago. (yahoo.com)
  • Crater Lake is renowned for its crystal clear water and deep blue color. (opb.org)
  • The sulfur crater lake lies between a natural dams of deeply etched rock. (indonesia-tourism.com)
  • The enormous Crater Lake, which is 200 meters deep and covers an area of more than meters, a million square meters, contains about 36 million cubic meters of steaming, acid water. (indonesia-tourism.com)
  • Both visitor centers contain a bookstore operated by the Crater Lake Natural History Association . (nps.gov)
  • Crater Lake Lodge features exhibits on tourism and the history and renovation of the lodge. (nps.gov)
  • Description A panoramic view of Oregon's Crater Lake. (imagekind.com)
  • Crater Lake is a caldera lake in the U.S. state of Oregon . (wikipedia.org)
  • It is the main attraction of Crater Lake National Park . (wikipedia.org)
  • The lake was renamed at least three times, as Blue Lake, Lake Majesty, and finally Crater Lake. (wikipedia.org)
  • Crater Lake is known for its famous piece of driftwood , named the Old Man of the Lake . (wikipedia.org)
  • Crater Lake is in Klamath County . (wikipedia.org)
  • The caldera rim of Crater Lake ranges in elevation from 7,000 to 8,000 feet (2,100 to 2,400 m). (wikipedia.org)
  • The waters of Crater Lake are some of the purest in North America . (wikipedia.org)
  • That resulted in the creation of Crater Lake. (wikipedia.org)
  • However, the inside of the crater houses the most acidic lake in the world, the Smithsonian says. (gonomad.com)
  • It is the policy of Crater Lake National Park to allow filming and photography when and where possible, while adhering to this mandate. (nps.gov)
  • The following guidelines are established by the superintendent of Crater Lake National Park as they relate to filming and photographic activities within the park. (nps.gov)
  • Complete the Application for Photography/Filming Permit (Short or Long Form) and submit it to Crater Lake National Park Permit Office allowing sufficient time for evaluation by the park staff before the start date for your activity in the park. (nps.gov)
  • Inside the crater, you will see a magnificent turquoise sulphur lake that exudes flames, blue fire at night and smoky white in the day. (indonesia-tourism.com)
  • An old river delta near the western rim of the crater testifies that it once housed a lake. (dlr.de)
  • An ancient river delta near the western rim of the crater is evidence that it contained a lake more than 3.5 billion years ago. (dlr.de)
  • 700 m to the north of Lonar crater is located smaller crater - Ambar lake crater (Little Lonar). (wondermondo.com)
  • In the large crater, 137 m below the crater rim is located unique lake - Lonar lake. (wondermondo.com)
  • A valley named Ma'adim Vallis, which is connected to the south side of the crater, looks like it may have been a river channel that poured water into the crater in the past, forming a large lake. (windows2universe.org)
  • Cao Lubao, mayor of Yancheng, where the blast occurred, said on Friday that nearly 3,000 people - employees of nearby plants and residents - had been evacuated after the explosion at the Jiangsu Tianjiayi Chemical plant in the township of Chenjiagang, which left a giant crater. (wnd.com)
  • Such upwelling would first occur in deep basins like McLaughlin Crater - as the lowest points on the surface, they would be where underground water reserves would most likely get exposed. (yahoo.com)
  • At the same time, material in the ejecta curtain lands back on the target surface forming the crater rim, which is elevated above the target surface, and an ejecta blanket. (usra.edu)
  • The craters range from 10 metres to about 73 metres across. (slashdot.org)
  • A mountain around 1000 metres high and consisting of bright sedimentary layers has formed inside Becquerel Crater. (dlr.de)
  • The difference in altitude between the lowest point in the crater and the surrounding highland is more than 3000 metres. (dlr.de)
  • The crater was created 10 to 20 metres from the targeted site, which shows that Hayabusa2 was able to eject the copper lump to strike on Ryugu with a high accuracy. (thestar.com)
  • The rim of Jezero Crater now only rises about 1000 metres above its floor. (dlr.de)
  • Twoyears after setting out for a big Martian crater that could hold clues aboutthe Red Planet's potential to support life, NASA's rover Opportunity has hit amilestone: It's more than halfway there. (space.com)
  • Rover Spirit touched down the volcanic plains of Gusev Crater on 4 January 2004, for ten years it has runned on the Martian surface. (omicsonline.org)
  • On the right, the distribution of water-rich minerals (light blue) is shown around a small crater. (nasa.gov)
  • Today, the crater is bone-dry but harbors clay minerals and other evidence that liquid water filled the area in the ancient past. (yahoo.com)
  • Santa Maria Crater, located in Meridiani Planum, is about 6 kilometers from the rim of Endeavour Crater, which contains spectral indications of phyllosilicates, or clay bearing minerals that are believed to have formed in wet conditions that could have been more habitable than the later acidic conditions in which the sulfates Opportunity has been exploring formed. (universetoday.com)
  • That theory gained some credence earlier this year, when China's Yutu-2 rover, which settled into the bottom of the crater aboard the Chang'e 4 lander in January, discovered traces of minerals that seemed to originate from the moon's mantle. (livescience.com)
  • This one reminds me a lot of the first time we ever saw a rover from orbit, just after Opportunity had arrived at the rim of Victoria crater. (universetoday.com)
  • We also describe high-resolution numerical simulations that successfully generate Stickney crater while maintaining the large-scale structure of Phobos. (osti.gov)
  • Never before has such a boulder-sized chuck of the impactor been found within a large crater. (hawaii.edu)
  • Scale: The large crater is approximately 90 km (56 mi. (spaceref.com)
  • A crater may be any large, roughly circular, depression or hole in or beneath the rocky surface of a rocky object. (wikiversity.org)
  • There is a large mound of material covering part of the crater floor. (asu.edu)
  • Essentially, the microbes were consuming the oil and producing methane gasses trapped in the sedimentary layers ringing the crater. (icr.org)
  • The view of sulfur miners who climb and go down to the crater is also amazing. (indonesia-tourism.com)
  • The miners hike down the crater, load up baskets full of an estimated 75 kilograms of sulfur rocks and hike back up the crater. (gonomad.com)
  • A prominent new gas vent broke through the lower east wall of Halema'uma'u this week, doubling the already elevated level of sulfur dioxide gas being emitted from the crater. (usgs.gov)
  • When the emission rate doubled in December 2007, sulfur dioxide concentrations exceeded 1 ppm on more than half of Crater Rim Drive between the Southwest Rift Zone pullout and the Halema'uma'u Overlook parking lot. (usgs.gov)
  • After the new gas vent opened this week, sulfur dioxide concentrations exceeded 40 ppm along Crater Rim Drive, significantly increasing respiratory hazards downwind of the vent. (usgs.gov)
  • Wikimedia Commons has media related to Thebit (crater) . (wikipedia.org)
  • Today's false color image shows the western rim of an unnamed crater in Hesperia Planum. (nasa.gov)
  • To the southwest of Becquerel (north is to the right in the image) is a second crater, with a heavily eroded rim. (dlr.de)
  • In this perspective view from the southwest of a heavily eroded crater and the rim of Becquerel Crater (in the centre of the image), it is clear how dark sand and dust transported by the wind have been deposited in natural obstacles such as on the crater rim and in wind-protected depressions. (dlr.de)
  • One of the Expedition 38 crew members aboard the ISS recorded this image which features the Manicouagan Crater and reservoir located primarily in Manicouagan Regional County Municipality in the Cote-Nord region of Quebec, Canada. (spaceref.com)
  • The image shows a chain of craters on Ganymede. (wikiversity.org)
  • Vasily Bogoyavlensky, deputy director of Russia's Oil and Gas Research Institute, says at least seven suspicious craters have now been spotted-five of them in a region known as the 'end of the world'-and a satellite image shows one of them has at least 20 water-filled 'baby craters' around it. (newser.com)
  • This VIS image shows the interior of an unnamed crater in northern Arabia Terra. (asu.edu)
  • This HiRISE image ( PSP_002728_1645 ) shows dunes on the floor of Herschel Crater. (seti.org)
  • One feature of particular interest is the dune-free area downwind of the crater at the image center. (seti.org)
  • The symphony of color within the Aristarchus crater clearly shows a diversity of materials - anorthosite, basalt, and olivine. (hubblesite.org)
  • Research shows that initially this crater was approximately 230 - 245 m deep, but now it is less than 150 m deep. (wondermondo.com)
  • Proposed Rille Origin Theory erosion ---- erosion --- formed by --- formed by --- electric via water --- gas cloud --- gas blow --- lava tube --- eruption wider at high end C C O B A channel sinuous A C O C A upper end crater B B O B A ends at diff. (thunderbolts.info)
  • Images from the 2015 flyby of NASA's New Horizons probe showed that Sputnik Planitia, part of a bright, heart-shaped plain, has no craters. (newscientist.com)