| 单词 | carbonaceous chondrite |
| 释义 | carbonaceous chondritecarbonaceous chondrite(kar-bŏ-nay -shŭs) An uncommon class of meteorites but very important because of their mineralogical and chemical composition, especially as regards the presence of hydrated minerals and organic (carbon) compounds. They are very easily crumbled and contain water-soluble compounds and must therefore be collected soon after they fall. Although all meteorites were formed very early in the Solar System's history, carbonaceous chondrites are possibly the most primitive form of matter in the Solar System. See also asteroids; chondrite.carbonaceous chondrite[‚kär·bə′nā·shəs ′kän‚drīt] |
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