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190 relations: Acceleration, Apollo (crater), Apollo program, Argyre Planitia, Arizona, Ars Technica, Asgard (crater), Asteroid, Atmosphere, Baptistina family, Beethoven (crater), Breccia, Caldera, Callisto (moon), Caloris Planitia, Canada, Carlyle Smith Beals, Carswell, Chesapeake Bay impact crater, Chicxulub crater, Cirque, Clearwater Lakes, Coesite, Collision, Comet Shoemaker–Levy 9, Complex crater, Compression (physics), Copper, Craton, Cretaceous–Paleogene extinction event, Cryptoexplosion, Daniel Barringer (geologist), Dark Matter and the Dinosaurs, Decorah crater, Depression (geology), Dione (moon), Dominion Astrophysical Observatory, Dostoevskij (crater), Earth, Earth Impact Database, Ejecta, Energy density, Erosion, Escape velocity, Eugene Merle Shoemaker, Europa (moon), Evaporation, Expanded crater, Explosion, Explosive material, ..., Ganymede (moon), Gertrude (crater), Goethe Basin, Gold, Gosses Bluff crater, Haughton impact crater, Hellas Planitia, Herschel (Mimantean crater), Hertzsprung (crater), Huygens (crater), Hydrocarbon, Hyperion (moon), Hypervelocity, Iapetus (moon), Impact depth, Impact event, Impact structure, Io (moon), Iron, Isidis Planitia, Isostasy, Kaali crater, Karakul (Tajikistan), Kerwan (crater), Korolev (lunar crater), Lakes on Mars, LARLE crater, Late Heavy Bombardment, List of craters on Callisto, List of craters on Europa, List of craters on Ganymede, List of craters on Mars, List of craters on Mercury, List of craters on the Moon, List of craters on Venus, List of geological features on Ariel, List of geological features on Dione, List of geological features on Enceladus, List of geological features on Iapetus, List of geological features on Jupiter's inner moons, List of geological features on Mimas, List of geological features on Miranda, List of geological features on Oberon, List of geological features on Puck, List of geological features on Rhea, List of geological features on Saturn's smaller moons, List of geological features on Tethys, List of geological features on Titania, List of geological features on Triton, List of impact craters on Earth, List of unconfirmed impact craters on Earth, Lonar Lake, Lunar and Planetary Institute, Manicouagan Reservoir, Manson crater, Mare Imbrium, Mare Nubium, Mare Orientale, Mare Serenitatis, Mare Tranquillitatis, Mars, Martian Craters, Median, Melting, Menrva (crater), Mercury (planet), Meteor Crater, Mistastin crater, Moon, Natural satellite, Nördlinger Ries, Nemesis (hypothetical star), Nickel, North Polar Basin (Mars), Nuclear explosion, Odysseus (crater), Paraboloid, Pascal (unit), Peak ring (crater), Pedestal crater, Peter H. Schultz, Petrarch (crater), Pingualuit crater, Planet, Planetary geology, Plate tectonics, Popigai crater, Porosity, Pressure, Rampart crater, Ray system, Rembrandt (crater), Rheasilvia, Ring dike, Salt dome, Saskatchewan, Schiaparelli (Martian crater), Schrödinger (crater), Secondary crater, Sedimentary basin, Shatter cone, Shock metamorphism, Shock wave, Shocked quartz, Shoemaker crater, Sikhote-Alin meteorite, Siljan Ring, Sinkhole, Skinakas (hypothetical basin), Solar System, South Pole–Aitken basin, Spall, Speed of sound, Spherulite, Stishovite, Subduction, Sudbury Basin, Tectonics, Tektite, Tera-, Terminal velocity, Tirawa (crater), Titan (moon), Tolstoj (crater), Traces of Catastrophe, Turgis (crater), Tycho (lunar crater), Umbriel (moon), University of Tübingen, Uranium, Valhalla (crater), Venus, Victoria, British Columbia, Volcanic crater, Volcano, Vredefort crater, Walter Hermann Bucher, Witwatersrand Basin, Wolf von Engelhardt, Wolfe Creek Crater. Expand index (140 more) »
Acceleration
In physics, acceleration is the rate of change of velocity of an object with respect to time.
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Apollo (crater)
Apollo is an enormous impact crater located in the southern hemisphere on the far side of the Moon.
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Apollo program
The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished landing the first humans on the Moon from 1969 to 1972.
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Argyre Planitia
Argyre Planitia is a plain located within the impact basin Argyre in the southern highlands of Mars.
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Arizona
Arizona (Hoozdo Hahoodzo; Alĭ ṣonak) is a U.S. state in the southwestern region of the United States.
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Ars Technica
Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.
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Asgard (crater)
Asgard is the second largest multi-ring structure (impact crater) on Jupiter's moon Callisto, measuring 1600 km in diameter.
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Asteroid
Asteroids are minor planets, especially those of the inner Solar System.
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Atmosphere
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
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Baptistina family
The Baptistina family (FIN: 403) is an asteroid family of more than 2500 members that was probably produced by the breakup of an asteroid across 80 million years ago following an impact with a smaller body.
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Beethoven (crater)
Beethoven is a crater at latitude 20°S, longitude 124°W on Mercury.
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Breccia
Breccia is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix that can be similar to or different from the composition of the fragments.
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Caldera
A caldera is a large cauldron-like depression that forms following the evacuation of a magma chamber/reservoir.
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Callisto (moon)
Callisto (Jupiter IV) is the second-largest moon of Jupiter, after Ganymede.
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Caloris Planitia
Caloris Planitia is a plain within a large impact basin on Mercury, informally named Caloris, about in diameter.
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Canada
Canada is a country located in the northern part of North America.
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Carlyle Smith Beals
Carlyle Smith Beals, FRS (June 29, 1899 – July 2, 1979) was a Canadian astronomer.
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Carswell
Carswell is a surname of Scottish origin.
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Chesapeake Bay impact crater
The Chesapeake Bay impact crater was formed by a bolide that impacted the eastern shore of North America about 35.5 ± 0.3 million years ago, in the late Eocene epoch.
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Chicxulub crater
The Chicxulub crater is an impact crater buried underneath the Yucatán Peninsula in Mexico.
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Cirque
Two cirques with semi-permanent snowpatches near Abisko National Park, Sweden A cirque (French, from the Latin word circus) is an amphitheatre-like valley formed by glacial erosion.
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Clearwater Lakes
The Lac à l'Eau Claire (the official name, in French), also called the Clearwater Lakes in English, is a calque of Wiyâšâkamî in Northern East Cree (changed form of wâšâkamî or wâšekamî in more southerly Cree dialects) and Allait Qasigialingat by the Inuit, are a pair of annular lakes on the Canadian Shield in Quebec, Canada, near Hudson Bay.
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Coesite
Coesite is a form (polymorph) of silicon dioxide SiO2 that is formed when very high pressure (2–3 gigapascals), and moderately high temperature, are applied to quartz.
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Collision
A collision is an event in which two or more bodies exert forces on each other for a relatively short time.
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Comet Shoemaker–Levy 9
Comet Shoemaker–Levy 9 (formally designated D/1993 F2) was a comet that broke apart in July 1992 and collided with Jupiter in July 1994, providing the first direct observation of an extraterrestrial collision of Solar System objects.
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Complex crater
Complex craters are a type of large impact crater morphology.
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Compression (physics)
In mechanics, compression is the application of balanced inward ("pushing") forces to different points on a material or structure, that is, forces with no net sum or torque directed so as to reduce its size in one or more directions.
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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Craton
A craton (or; from κράτος kratos "strength") is an old and stable part of the continental lithosphere, where the lithosphere consists of the Earth's two topmost layers, the crust and the uppermost mantle.
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Cretaceous–Paleogene extinction event
The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of some three-quarters of the plant and animal species on Earth, approximately 66 million years ago.
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Cryptoexplosion
The term cryptoexplosion structure (or cryptovolcanic structure) means an explosion of unknown cause.
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Daniel Barringer (geologist)
Daniel Barringer (May 25, 1860 – November 30, 1929) was a geologist best known as the first person to prove the existence of an impact crater on the Earth, the Meteor Crater in Arizona.
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Dark Matter and the Dinosaurs
Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe is a 2015 non-fiction book by Harvard astrophysicist Lisa Randall.
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Decorah crater
The Decorah impact crater, also called the Decorah impact structure, is a proposed impact crater located on the east side of the city of Decorah in Iowa, United States.
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Depression (geology)
A depression in geology is a landform sunken or depressed below the surrounding area.
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Dione (moon)
Dione (Διώνη) is a moon of Saturn.
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Dominion Astrophysical Observatory
The Dominion Astrophysical Observatory, located on Observatory Hill, in Saanich, British Columbia, was completed in 1918 by the Canadian government.
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Dostoevskij (crater)
Dostoevskij (sometimes Dostoevskii) is a crater on Mercury.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Earth Impact Database
The Earth Impact Database is the authoritative source for information on confirmed impact structures or craters on Earth.
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Ejecta
Ejecta (from the Latin: "things thrown out", singular ejectum) are particles ejected from an area.
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Energy density
Energy density is the amount of energy stored in a given system or region of space per unit volume.
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Erosion
In earth science, erosion is the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, and then transport it to another location (not to be confused with weathering which involves no movement).
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Escape velocity
In physics, escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body.
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Eugene Merle Shoemaker
Eugene Merle Shoemaker (April 28, 1928 – July 18, 1997), also known as Gene Shoemaker, was an American geologist and one of the founders of the field of planetary science.
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Europa (moon)
Europa or as Ευρώπη (Jupiter II) is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet.
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Evaporation
Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gaseous phase before reaching its boiling point.
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Expanded crater
An expanded crater is a type of secondary impact crater.
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Explosion
An explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases.
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Explosive material
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
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Ganymede (moon)
Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System.
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Gertrude (crater)
Gertrude is the largest known crater on Uranus's moon Titania.
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Goethe Basin
Goethe Basin is an impact basin at 81.4° N, 54.3° W on Mercury approximately 317 kilometers in diameter.
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Gold
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
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Gosses Bluff crater
Gosses Bluff (or Gosse's Bluff) is thought to be the eroded remnant of an impact crater.
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Haughton impact crater
Haughton impact crater is located on Devon Island, Nunavut in far northern Canada.
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Hellas Planitia
Hellas Planitia is a plain located within the huge, roughly circular impact basin Hellas located in the southern hemisphere of the planet Mars.
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Herschel (Mimantean crater)
Herschel is a huge crater in the leading hemisphere of the Saturnian moon Mimas, on the equator at 100° longitude.
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Hertzsprung (crater)
Hertzsprung is an enormous lunar impact crater, or impact basin, that is located on the far side of the Moon, beyond the western limb.
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Huygens (crater)
Huygens is an impact crater on Mars named in honour of the Dutch astronomer, mathematician and physicist Christiaan Huygens.
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Hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.
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Hyperion (moon)
Hyperion (Greek: Ὑπερίων), also known as Saturn VII (7), is a moon of Saturn discovered by William Cranch Bond, George Phillips Bond and William Lassell in 1848.
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Hypervelocity
Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8).
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Iapetus (moon)
Iapetus (Ιαπετός), or occasionally Japetus, is the third-largest natural satellite of Saturn, eleventh-largest in the Solar System, and the largest body in the Solar System known not to be in hydrostatic equilibrium.
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Impact depth
The physicist Sir Isaac Newton first developed this idea to get rough approximations for the impact depth for projectiles traveling at high velocities.
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Impact event
An impact event is a collision between astronomical objects causing measurable effects.
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Impact structure
The term impact structure is closely related to the terms impact crater and meteorite impact crater, and is used in cases in which erosion or burial has destroyed or masked the original topographic feature with which one normally associates the term crater.
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Io (moon)
Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Isidis Planitia
Isidis Planitia is a plain located inside a giant impact basin on Mars, centered at; Isidis Planitia is partly in the Syrtis Major quadrangle and partly in the Amenthes quadrangle.
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Isostasy
Isostasy (Greek ''ísos'' "equal", ''stásis'' "standstill") is the state of gravitational equilibrium between Earth's crust and mantle such that the crust "floats" at an elevation that depends on its thickness and density.
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Kaali crater
Kaali is a group of 9 meteorite craters in the village of Kaali on the Estonian island of Saaremaa.
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Karakul (Tajikistan)
Karakul, Qarokul (Kyrgyz for "black lake", replacing the older Tajik name Siob) is a diameter lake within a impact crater.
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Kerwan (crater)
Kerwan is the largest confirmed crater and geological feature on Ceres.
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Korolev (lunar crater)
Korolev is a large lunar impact crater of the walled plain or basin type, named for Soviet rocket engineer Sergey Korolyov.
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Lakes on Mars
In summer 1965, the first close-up pictures from Mars showed a cratered desert with no signs of water.
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LARLE crater
A new class of Martian impact craters have been discovered by Northern Arizona University scientist Prof Nadine Barlow and Dr Joseph Boyce from the University of Hawaii in Oct 2013.
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Late Heavy Bombardment
The Late Heavy Bombardment (abbreviated LHB and also known as the lunar cataclysm) is an event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, at a time corresponding to the Neohadean and Eoarchean eras on Earth.
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List of craters on Callisto
This is a list of named craters on Callisto, one of the many moons of Jupiter, the most heavily cratered natural satellite in the Solar System (for other features, see list of geological features on Callisto).
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List of craters on Europa
This is a list of craters on Europa.
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List of craters on Ganymede
Ganymede is the largest moon in the solar system, and thus has many craters covering its hard surface.
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List of craters on Mars
This is a list of craters on Mars.
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List of craters on Mercury
This is a list of named craters on Mercury, the innermost planet of the Solar System (for other features, see list of geological features on Mercury).
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List of craters on the Moon
This is a list of named lunar craters.
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List of craters on Venus
This is a list of craters on Venus, named by the International Astronomical Union's (IAU) Working Group for Planetary System Nomenclature.
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List of geological features on Ariel
This list of geological features on Ariel itemizes the named geological features on the moon of Uranus called Ariel.
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List of geological features on Dione
This is a list of named geological features on Dione, a moon of Saturn.
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List of geological features on Enceladus
This is a list of named geological features on Enceladus.
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List of geological features on Iapetus
Most Iapetian geological features are named after characters and locations in the Old French epic poem The Song of Roland, specifically the English translation by Dorothy L. Sayers.
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List of geological features on Jupiter's inner moons
In addition to the large Galilean moons, Jupiter is orbited by sixty three smaller moons, but only two of them, Amalthea and Thebe, have been imaged at sufficient resolution for surface features to become apparent.
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List of geological features on Mimas
This is a list of named geological features on Mimas, a moon that orbits the planet Saturn.
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List of geological features on Miranda
This is a list of named geological features on Miranda.
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List of geological features on Oberon
This is a list of named geological features (mostly craters) on Oberon.
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List of geological features on Puck
This is a list of named craters on Puck. Puckian craters are named after mischievous spirits in European mythology.
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List of geological features on Rhea
This is a list of named geological features on Rhea, the second largest moon of Saturn.
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List of geological features on Saturn's smaller moons
This is list of named geological features on Janus, Epimetheus and Phoebe.
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List of geological features on Tethys
This is a list of named geological features on Tethys.
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List of geological features on Titania
This is a list of named geological features on Titania.
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List of geological features on Triton
This is a list of named geological features, of various kinds, on Triton, the planet Neptune's largest moon.
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List of impact craters on Earth
This list of impact craters on Earth contains a selection of the 190 confirmed craters given in the Earth Impact Database.
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List of unconfirmed impact craters on Earth
This list of more than 130 possible impact craters on Earth includes theoretical impact sites that have appeared several times in the literature, or may have been endorsed by the Impact Field Studies Group (IFSG) or Expert Database on Earth Impact Structures (EDEIS), but not yet confirmed by the Earth Impact Database (EID).
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Lonar Lake
Lonar Lake is a notified National Geo-heritage Monument saline soda lake located at Lonar in Buldhana district, Maharashtra, India, which was created by a meteor impact during the Pleistocene Epoch and it is the only known hyper velocity impact crater in basaltic rock anywhere on Earth.
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Lunar and Planetary Institute
The Lunar and Planetary Institute (LPI) is a scientific research institute dedicated to study of the solar system, its formation, evolution, and current state.
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Manicouagan Reservoir
Manicouagan Reservoir (also Lake Manicouagan) is an annular lake in central Quebec, Canada, covering an area of.
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Manson crater
The Manson crater is an impact crater near the site of Manson, Iowa where an asteroid or comet nucleus struck the Earth during the Cretaceous Period, 74 Ma (million years ago).
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Mare Imbrium
Mare Imbrium (Latin for "Sea of Showers" or "Sea of Rains") is a vast lava plain within the Imbrium Basin on the Moon and is one of the larger craters in the Solar System.
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Mare Nubium
Mare Nubium ("sea of clouds") is a lunar mare in the Nubium basin on the Moon's near side.
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Mare Orientale
Mare Orientale ("eastern sea" in Latin) is a lunar mare.
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Mare Serenitatis
Mare Serenitatis ("Sea of Serenity") is a lunar mare located to the east of Mare Imbrium on the Moon.
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Mare Tranquillitatis
Mare Tranquillitatis (Latin for Sea of Tranquility or Sea of Tranquillity (see spelling differences)) is a lunar mare that sits within the Tranquillitatis basin on the Moon.
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Mars
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.
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Martian Craters
There are a number of different types of craters that have been observed and studied on Mars.
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Median
The median is the value separating the higher half of a data sample, a population, or a probability distribution, from the lower half.
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Melting
Melting, or fusion, is a physical process that results in the phase transition of a substance from a solid to a liquid.
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Menrva (crater)
Menrva is the largest crater on Titan, with a diameter of 392 kilometers.
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Mercury (planet)
Mercury is the smallest and innermost planet in the Solar System.
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Meteor Crater
Meteor Crater is a meteorite impact crater approximately east of Flagstaff and west of Winslow in the northern Arizona desert of the United States.
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Mistastin crater
Mistastin crater is a meteorite crater in Labrador, Canada which contains the roughly circular Mistastin Lake.
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Moon
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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Natural satellite
A natural satellite or moon is, in the most common usage, an astronomical body that orbits a planet or minor planet (or sometimes another small Solar System body).
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Nördlinger Ries
The Nördlinger Ries is a large circular depression in western Bavaria, Germany, located north of the Danube in the district of Donau-Ries.
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Nemesis (hypothetical star)
Nemesis is a hypothetical red dwarf or brown dwarf, originally postulated in 1984 to be orbiting the Sun at a distance of about 95,000 AU (1.5 light-years), somewhat beyond the Oort cloud, to explain a perceived cycle of mass extinctions in the geological record, which seem to occur more often at intervals of 26 million years.
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Nickel
Nickel is a chemical element with symbol Ni and atomic number 28.
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North Polar Basin (Mars)
The North Polar Basin, more commonly known as the Borealis Basin, is a large basin in the northern hemisphere of Mars that covers 40% of the planet.
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Nuclear explosion
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.
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Odysseus (crater)
Odysseus is the largest crater on Saturn's moon Tethys.
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Paraboloid
In geometry, a paraboloid is a quadric surface that has (exactly) one axis of symmetry and no center of symmetry.
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Pascal (unit)
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
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Peak ring (crater)
A peak ring crater is a type of complex crater.
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Pedestal crater
In planetary geology, a pedestal crater is a crater with its ejecta sitting above the surrounding terrain and thereby forming a raised platform (like a pedestal).
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Peter H. Schultz
Peter H. Schultz (born January 22, 1944) is Professor of Geological Sciences at Brown University specializing in the study of planetary geology, impact cratering on the Earth and other objects in the Solar System, and volcanic modifications of planetary surfaces.
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Petrarch (crater)
Petrarch is a crater on Mercury at latitude -30, longitude 26.5.
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Pingualuit crater
The Pingualuit Crater (Cratère des Pingualuit; from Inuit "pimple"), formerly called the Chubb Crater and later the New Quebec Crater (Cratère du Nouveau-Québec), is a young impact crater, by geological standards, located on the Ungava Peninsula, in the administrative region of Nord-du-Québec, in Quebec, Canada.
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Planet
A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
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Planetary geology
Planetary geology, alternatively known as astrogeology or exogeology, is a planetary science discipline concerned with the geology of the celestial bodies such as the planets and their moons, asteroids, comets, and meteorites.
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Plate tectonics
Plate tectonics (from the Late Latin tectonicus, from the τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago.
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Popigai crater
The Popigai crater (or astrobleme) in Siberia, Russia is tied with the Manicouagan Crater as the fourth largest verified impact crater on Earth.
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Porosity
Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.
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Pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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Rampart crater
Rampart craters are a specific type of impact crater which are accompanied by distinctive fluidized ejecta features found mainly on Mars.
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Ray system
A ray system comprises radial streaks of fine ejecta thrown out during the formation of an impact crater, looking somewhat like many thin spokes coming from the hub of a wheel.
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Rembrandt (crater)
Rembrandt is a large impact crater on Mercury.
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Rheasilvia
Rheasilvia is the most prominent surface feature on the asteroid Vesta and is thought to be an impact crater.
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Ring dike
A ring dike or ring dyke is an intrusive igneous body that is circular, oval or arcuate in plan and has steep contacts.
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Salt dome
A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir.
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Saskatchewan
Saskatchewan is a prairie and boreal province in western Canada, the only province without natural borders.
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Schiaparelli (Martian crater)
Schiaparelli is an impact crater on Mars, located near the planet's equator at latitude 3° south and longitude 344° in the Sinus Sabaeus quadrangle.
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Schrödinger (crater)
Schrödinger is a large lunar impact crater of the form traditionally called a walled plain and is named after Erwin Schrödinger.
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Secondary crater
Secondary craters are impact craters formed by the ejecta that was thrown out of a larger crater.
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Sedimentary basin
Sedimentary basins are regions of Earth of long-term subsidence creating accommodation space for infilling by sediments.
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Shatter cone
Shatter cones are rare geological features that are only known to form in the bedrock beneath meteorite impact craters or underground nuclear explosions.
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Shock metamorphism
Shock metamorphism or impact metamorphism describes the effects of shock-wave related deformation and heating during impact events.
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Shock wave
In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance.
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Shocked quartz
Shocked quartz is a form of quartz that has a microscopic structure that is different from normal quartz.
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Shoemaker crater
Shoemaker (formerly known as Teague Ring) is an impact structure, the deeply eroded remnant of a former impact crater, situated in arid central Western Australia, about north-northeast of Wiluna.
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Sikhote-Alin meteorite
An iron meteorite fell on the Sikhote-Alin Mountains, in southeastern Russia, in 1947.
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Siljan Ring
The Siljan Ring (Siljansringen) is a prehistoric impact crater in Dalarna, central Sweden.
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Sinkhole
A sinkhole, also known as a cenote, sink, sink-hole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer.
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Skinakas (hypothetical basin)
The Skinakas basin is the informal name given to a structure on Mercury that appeared to be an extremely large impact basin.
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Solar System
The Solar SystemCapitalization of the name varies.
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South Pole–Aitken basin
The South Pole–Aitken basin is an impact crater on the far side of the Moon.
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Spall
Spall is flakes of a material that are broken off a larger solid body and can be produced by a variety of mechanisms, including as a result of projectile impact, corrosion, weathering, cavitation, or excessive rolling pressure (as in a ball bearing).
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Speed of sound
The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium.
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Spherulite
In petrology, spherulites are small, rounded bodies that commonly occur in vitreous igneous rocks.
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Stishovite
Stishovite is an extremely hard, dense tetragonal form (polymorph) of silicon dioxide.
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Subduction
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced or sinks due to gravity into the mantle.
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Sudbury Basin
The Sudbury Basin, also known as Sudbury Structure or the Sudbury Nickel Irruptive, is a major geological structure in Ontario, Canada.
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Tectonics
Tectonics is the process that controls the structure and properties of the Earth's crust and its evolution through time.
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Tektite
Tektites (from Greek τηκτός tēktós, "molten") are gravel-sized bodies composed of black, green, brown, or gray natural glass formed from terrestrial debris ejected during meteorite impacts.
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Tera-
Tera is a unit prefix in the metric system denoting multiplication by 1012 or (one trillion short scale; one billion long scale).
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Terminal velocity
Terminal velocity is the highest velocity attainable by an object as it falls through a fluid (air is the most common example).
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Tirawa (crater)
Tirawa basin is a large impact crater on Saturn's moon Rhea, at.
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Titan (moon)
Titan is the largest moon of Saturn.
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Tolstoj (crater)
Tolstoj is a large, ancient impact crater at latitude −15, longitude 165 on Mercury.
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Traces of Catastrophe
Traces of Catastrophe: A Handbook of Shock-Metamorphic Effects in Terrestrial Meteorite Impact Structures, commonly shortened to Traces of Catastrophe, was a book written by Bevan M. French of the Smithsonian Institution.
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Turgis (crater)
Turgis is the largest known crater on Saturn's moon Iapetus.
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Tycho (lunar crater)
Tycho is a prominent lunar impact crater located in the southern lunar highlands, named after the Danish astronomer Tycho Brahe (1546–1601).
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Umbriel (moon)
Umbriel is a moon of Uranus discovered on October 24, 1851, by William Lassell.
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University of Tübingen
The University of Tübingen, officially the Eberhard Karls University of Tübingen (Eberhard Karls Universität Tübingen; Universitas Eberhardina Carolina), is a German public research university located in the city of Tübingen, Baden-Württemberg.
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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Valhalla (crater)
Located on Jupiter's moon Callisto, Valhalla is the largest multi-ring impact crater in the Solar System.
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Venus
Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.
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Victoria, British Columbia
Victoria, the capital city of the Canadian province of British Columbia, is on the southern tip of Vancouver Island off Canada's Pacific coast.
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Volcanic crater
A volcanic crater is a roughly circular depression in the ground caused by volcanic activity.
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Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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Vredefort crater
The Vredefort crater is the largest verified impact crater on Earth, more than across when it was formed.
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Walter Hermann Bucher
Dr.
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Witwatersrand Basin
The Witwatersrand Basin is a largely underground geological formation which surfaces in the Witwatersrand, South Africa.
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Wolf von Engelhardt
Wolf Jürgen Baron von Engelhardt (9 February 1910, Tartu – 4 December 2008, Tübingen) was a German geologist and mineralogist.
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Wolfe Creek Crater
Wolfe Creek Crater is a well-preserved meteorite impact crater (astrobleme) in Western Australia.
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Redirects here:
Impact basin, Impact craters, Impact theory, Meteor crater, Meteorite crater, Multi-ringed basin.
References
[1] https://en.wikipedia.org/wiki/Impact_crater
