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48 relations: American Astronomical Society, Ape Cave, Australia, Azores, Cave, Caving, Concentric objects, Crystal, Cueva de los Verdes, Geology of the Moon, Gruta das Torres, Hawaii (island), Helictite, Jeju Island, Kazumura Cave, Kiama, New South Wales, Korea, Lanzarote, Lava, Lava cave, Lava channel, Lava River Cave, Leviathan Cave, Lunar lava tube, Manjanggul, Mars habitat, Martian lava tube, Mauna Loa, Mineral, Newberry National Volcanic Monument, Olympus Mons, Oregon, Raufarhólshellir, Shark, Speleology, Speleothem, Stalactite, Stalagmite, Surtshellir, Teide, Tenerife, Thermal insulation, Types of volcanic eruptions, United States, United States Geological Survey, Viscosity, Volcano, Washington (state).
American Astronomical Society
The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC.
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Ape Cave
Ape Cave is a lava tube located in Gifford Pinchot National Forest just to the south of Mount St. Helens in Washington state.
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Australia
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
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Azores
The Azores (or; Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal.
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Cave
A cave is a hollow place in the ground, specifically a natural space large enough for a human to enter.
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Caving
Caving – also traditionally known as spelunking in the United States and Canada and potholing in the United Kingdom and Ireland – is the recreational pastime of exploring wild (generally non-commercial) cave systems.
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Concentric objects
In geometry, two or more objects are said to be concentric, coaxal, or coaxial when they share the same center or axis.
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Crystal
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
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Cueva de los Verdes
Cueva de los Verdes (Spanish for "Verdes' cave", from the "Verdes" family) is a lava tube and tourist attraction of the Haria municipality on the island of Lanzarote in the Canary Islands (Spain).
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Geology of the Moon
The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is quite different from that of Earth.
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Gruta das Torres
The Gruta das Torres (Grotto of Towers), is a lava cave, a geological formation of volcanic origin formed from the flow and cooling of subterranean magma rivers.
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Hawaii (island)
Hawaiʻi is the largest island located in the U.S. state of Hawaii.
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Helictite
A helictite is a speleothem found in a limestone cave that changes its axis from the vertical at one or more stages during its growth.
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Jeju Island
Jeju Island (Hangul: 제주도, Jejudo; previously Cheju-do) is the largest island off the coast of the Korean Peninsula, and the main island of Jeju Province of South Korea.
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Kazumura Cave
Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world.
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Kiama, New South Wales
Kiama is a coastal town 120 kilometres south of Sydney in the Illawarra.
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Korea
Korea is a region in East Asia; since 1945 it has been divided into two distinctive sovereign states: North Korea and South Korea.
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Lanzarote
Lanzarote is a Spanish island, the northernmost and easternmost of the autonomous Canary Islands in the Atlantic Ocean.
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Lava
Lava is molten rock generated by geothermal energy and expelled through fractures in planetary crust or in an eruption, usually at temperatures from.
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Lava cave
A lava cave is any cave formed in volcanic rock, though it typically means caves formed by volcanic processes, which are more properly termed volcanic caves.
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Lava channel
A lava channel is a stream of fluid lava contained within marginal zones of static (i.e., solid and stationary) lava or lava levees.
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Lava River Cave
The Lava River Cave near Bend, Oregon, is part of the Newberry National Volcanic Monument, which is managed by the United States Forest Service.
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Leviathan Cave
Leviathan Cave, also known as the Grotte de Leviathan, is a lava tube cave in eastern Kenya first discovered in 1975.
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Lunar lava tube
Lunar lava tubes are sub-surface tunnels on the Moon that are believed to have formed during basaltic lava flows.
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Manjanggul
The Manjanggul Lava Tube is located in Gimnyeong-ri, Gujwaeup, Jeju City.
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Mars habitat
A Mars habitat is a place that humans can live in on Mars.
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Martian lava tube
Martian lava tubes are natural sub-surface lava tube caverns on Mars that are believed to form as a result of fast-moving, basaltic lava flows associated with shield volcanism.
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Mauna Loa
Mauna Loa (or; Hawaiian:; Long Mountain) is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaiʻi in the Pacific Ocean.
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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Newberry National Volcanic Monument
Newberry National Volcanic Monument was designated on November 5, 1990, to protect the area around the Newberry Volcano in the U.S. state of Oregon.
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Olympus Mons
Olympus Mons (Latin for Mount Olympus) is a very large shield volcano on the planet Mars.
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Oregon
Oregon is a state in the Pacific Northwest region on the West Coast of the United States.
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Raufarhólshellir
Raufarhólshellir is the fourth-longest lava tube in Iceland.
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Shark
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.
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Speleology
Speleology is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology).
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Speleothem
Speleothems (Ancient Greek: "cave deposit"), commonly known as cave formations, are secondary mineral deposits formed in a cave.
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Stalactite
A stalactite (from the Greek stalasso, (σταλάσσω), "to drip", and meaning "that which drips") is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines.
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Stalagmite
A stalagmite (or; from the Greek σταλαγμίτης -, from σταλαγμίας -, "dropping, trickling") is a type of rock formation that rises from the floor of a cave due to the accumulation of material deposited on the floor from ceiling drippings.
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Surtshellir
Surtshellir is a lava cave located in western Iceland, around 60 km from the settlement of Borgarnes.
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Teide
Mount Teide (Pico del Teide,, "Teide Peak") is a volcano on Tenerife in the Canary Islands, Spain.
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Tenerife
Tenerife is the largest and most populated island of the seven Canary Islands.
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Thermal insulation
Thermal insulation is the reduction of heat transfer (i.e. the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence.
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Types of volcanic eruptions
Several types of volcanic eruptions—during which lava, tephra (ash, lapilli, volcanic bombs and volcanic blocks), and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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United States Geological Survey
The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government.
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Viscosity
The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.
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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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Washington (state)
Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States.
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References
[1] https://en.wikipedia.org/wiki/Lava_tube
