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Ornans (meteorite)
The Ornans meteorite is a carbonaceous chondrite and the type specimen of the CO group (Carbonaceous Ornans group). Its fall was observed in France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ... in 1868. References Meteorites found in France {{Meteorite-stub ...
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Chondrite
A chondrite is a stony (non-metallic) meteorite that has not been modified by either melting or planetary differentiation, differentiation of the parent body. They are formed when various types of dust and small grains in the early Solar System accreted to form primitive asteroids. Some such bodies that are captured in the planet's gravity well become the most common type of meteorite by arriving on a trajectory toward the planet's surface. Estimates for their contribution to the total meteorite population vary between 85.7% and 86.2%. Their study provides important clues for understanding the origin and age of the Solar System, the synthesis of organic compounds, the Abiogenesis, origin of life and the presence of water on Earth. One of their characteristics is the presence of chondrules (from the Ancient Greek χόνδρος ''chondros'', grain), which are round grains formed in space as molten or partially molten droplets of distinct minerals. Chondrules typically constitute ...
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Carbonaceous Chondrite
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small proportion (4.6%) of meteorite falls. Some famous carbonaceous chondrites are: Allende, Murchison, Orgueil, Ivuna, Murray, Tagish Lake, Sutter's Mill, and Winchcombe. General description C chondrites contain a relatively high proportion of carbon (up to 3%), which is in the form of graphite, carbonates and organic compounds, including amino acids. In addition, they contain water and minerals that have been modified by the influence of water. The carbonaceous chondrites were not exposed to higher temperatures, so that they are hardly changed by thermal processes. Some carbonaceous chondrites, such as the Allende meteorite, contain calcium-aluminum-rich inclusions (CAIs). These are compounds that emerged early from the primeval solar n ...
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CO Meteorite
CO or variants may refer to: Chemistry * Carbon monoxide (CO), a colorless, odorless, and tasteless gas * Carbonyl group, composed of a carbon atom double-bonded to an oxygen atom: C=O * Cobalt, a chemical element, symbol Co Computing and telecommunications * .co (second-level domain), the Internet second-level domain meaning "commercial" * .co, the Internet country code top-level domain (ccTLD) for Colombia * Commitment ordering (CO), a concurrency control technique for databases * Telephone exchange, or central office (CO) Mathematics * Cofunction, or Co, in trigonometry * Cuboctahedron, a uniform polyhedron People * Nguyễn Hữu Có (1925–2012), Vietnamese general * Conrado Co (born 1940), Filipino badminton player * Alfredo Co (born 1949), Filipino Sinologist * Atoy Co (born 1951), Filipino actor and basketball coach * Leonard Co (1953–2010), Filipino botanist * Nando Có (born 1973), Bissau-Guinean footballer * Kenedy Có (born 1998), Bissau-Guinean footb ...
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France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlantic, North Atlantic, the French West Indies, and List of islands of France, many islands in Oceania and the Indian Ocean, giving it Exclusive economic zone of France, one of the largest discontiguous exclusive economic zones in the world. Metropolitan France shares borders with Belgium and Luxembourg to the north; Germany to the northeast; Switzerland to the east; Italy and Monaco to the southeast; Andorra and Spain to the south; and a maritime border with the United Kingdom to the northwest. Its metropolitan area extends from the Rhine to the Atlantic Ocean and from the Mediterranean Sea to the English Channel and the North Sea. Its Regions of France, eighteen integral regions—five of which are overseas—span a combined area of and hav ...
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Carbonaceous Chondrite
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small proportion (4.6%) of meteorite falls. Some famous carbonaceous chondrites are: Allende, Murchison, Orgueil, Ivuna, Murray, Tagish Lake, Sutter's Mill, and Winchcombe. General description C chondrites contain a relatively high proportion of carbon (up to 3%), which is in the form of graphite, carbonates and organic compounds, including amino acids. In addition, they contain water and minerals that have been modified by the influence of water. The carbonaceous chondrites were not exposed to higher temperatures, so that they are hardly changed by thermal processes. Some carbonaceous chondrites, such as the Allende meteorite, contain calcium-aluminum-rich inclusions (CAIs). These are compounds that emerged early from the primeval solar n ...
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CO Group
CO or variants may refer to: Chemistry * Carbon monoxide (CO), a colorless, odorless, and tasteless gas * Carbonyl group, composed of a carbon atom double-bonded to an oxygen atom: C=O * Cobalt, a chemical element, symbol Co Computing and telecommunications * .co (second-level domain), the Internet second-level domain meaning "commercial" * .co, the Internet country code top-level domain (ccTLD) for Colombia * Commitment ordering (CO), a concurrency control technique for databases * Telephone exchange, or central office (CO) Mathematics * Cofunction, or Co, in trigonometry * Cuboctahedron, a uniform polyhedron People * Nguyễn Hữu Có (1925–2012), Vietnamese general * Conrado Co (born 1940), Filipino badminton player * Alfredo Co (born 1949), Filipino Sinologist * Atoy Co (born 1951), Filipino actor and basketball coach * Leonard Co (1953–2010), Filipino botanist * Nando Có (born 1973), Bissau-Guinean footballer * Kenedy Có (born 1998), Bissau-Guinean footb ...
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