chondrules

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• Chondrules —    Small spherical particles found in some stony meteorites. Stony meteorites containing Chondrules are called Chondrites …   The writer's dictionary of science fiction, fantasy, horror and mythology

• chondrules — n. mass of pyroxene found in meteorites …   English contemporary dictionary

• Chondrule — Chondrules in the chondrite Grassland. A millimeter scale is shown. Chondrules (from Ancient Greek χόνδρος chondros, grain) are round grains found in chondrites. Chondrules form as molten or partially molten droplets in space before being… …   Wikipedia

• Chondrite — Chondrules bien visibles sur une tranche d un fragment de la météorite Allende. Chondrite (se prononce kondrite) est un terme utilisé en astronomie pour désigner un certain type de météorites pierreuses (moins de 35 % de métal). Cette… …   Wikipédia en Français

• Chondrite — Not to be confused with Chondrodite. A specimen of the NWA 869 chondrite (type L4 6), showing chondrules and metal flakes Chondrites are stony meteorites that have not been modified due to melting or differentiation of the parent body. They… …   Wikipedia

• meteorite — meteoritic /mee tee euh rit ik/, meteoritical, meteorital /mee tee euh ruyt l/, adj. /mee tee euh ruyt /, n. 1. a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid. 2. a meteoroid. [1815 25; METEOR + ITE1] * * …   Universalium

• chondrite — chondritic /kon drit ik/, adj. /kon druyt/, n. a stony meteorite containing chondrules. [1880 85; CHONDR + ITE1] * * * ▪ meteorite  in general, any stony meteorite characterized by the presence of chondrules. The only meteorites classified as… …   Universalium

• Nininger Meteorite Award — The Nininger Meteorite Award recognizes outstanding student achievement in the “Science of Meteoritics” as embodied by an original research paper.[1] In 1965, Dr. Harvey H. Nininger and Mrs. Addie D. Nininger endowed the Nininger Science of… …   Wikipedia

• Allende meteorite — Meteorite Name= Allende Image caption= Allende fragment Image width= 180px Type= Chondrite Class= Carbonaceous chondrite Group= CV3 Structural classification= Composition= 23.85% total iron Shock= S1 Weathering= Country= Mexico Region= Pueblito… …   Wikipedia

• Inclusions minérales riches en calcium et en aluminium — CAI (taches blanches) dans une météorite chondritique, collection de l American Museum of Natural History Les inclusions minérales riches en calcium et en aluminium ou en anglais calcium aluminium rich inclusion ou Ca Al rich Inclusion (CAI) sont …   Wikipédia en Français

• Calcium-aluminium-rich inclusion — A calcium aluminium rich inclusion or Ca Al rich inclusion (CAI) is a centimeter sized light colored calcium and aluminium rich inclusion found in carbonaceous chondrite meteorites. CAIs consist of minerals that are among the first solids… …   Wikipedia