Whether Earth’s water was delivered early or late in its formation is debated. The composition of Venus’s atmosphere may indicate that late accretion, the final stage of planet formation, delivered little water to the terrestrial planets.

中文翻译：

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从金星的大气中吸积到后期的线索

争论到底是在水形成的早期还是后期输送水。金星的大气成分可能表明，积聚的最后阶段（行星形成的最后阶段）向陆地行星输送的水很少。