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  • Exhibition Text

    • The first atmosphere probably formed by the continuous release of gases from the Earth’s molten interior soon after it coalesced. But that early atmosphere was very different from the present one, which is composed of nitrogen and oxygen. From the composition of modern volcanic gases, most scientists conclude that the early atmosphere consisted of water vapor, carbon dioxide, sulfurous gases, and nitrogen.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Atmosphere

      Keywords: Atmosphere, Meteorology, Earth (Planet)--History, Earth (Planet)--Origin

      Audience: General

American Museum of Natural History

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