Although the Earth is depleted in volatile components relative to its potential chondritic precursors, the isotopic compositions of these elements are similar in Earth and chondrites. A theory to explain these observations suggests that rocky material that formed at various temperatures, locations and times in the protoplanetary disk collected to make Earth.

中文翻译：

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用不同成分的物体制造地球的新配方

尽管相对于其潜在的球粒陨石前体而言，地球的挥发性成分已经耗尽，但这些元素的同位素组成在地球和球粒陨石中是相似的。解释这些观察结果的理论表明，在原行星盘中的不同温度、位置和时间形成的岩石物质聚集在一起形成了地球。