Krypton in today's atmosphere is somewhat heavier than solar krypton, and the krypton embedded in meteorites known as carbonaceous chondrites is even heavier than that.

氪在今天的大气层中比太阳能的氪更重一些，这些氪比埋入了陨星，也就是通常熟知的碳质球粒状陨石中的氪还有重很多。

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Carbonaceous chondrites meteorites contain abundant organic materials as they have not been melted, and much of their original chemical composition remains intact.

碳粒陨星陨石包含大量的有机物，由于它们没被熔化，原来化学成分的大部分仍然完整无缺。

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The lithophile elements in ordinary and carbonaceous chondrite groups may display either chalcophile or siderophile nature in enstatite chondrites.

普通球粒陨石和碳质球粒陨石中的亲石元素在顽火辉石球粒陨石内显示亲铜或亲铁的性质。

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But only a tiny fraction of the meteorites which fall to earth today are carbonaceous chondrites.

ECONOMIST: Paleoforensic science

It is from a class known as the carbonaceous chondrites - primitive, carbon-rich meteorites that contain organic compounds such as amino acids.

BBC: Rare space rock in British lab

Carbonaceous chondrites contain tiny jewels - presolar diamonds and sapphires.

BBC: Rare space rock in British lab