# data[].attributes.body
At this time the atmosphere was mixed with a mix of gases and solids, which indicated that there was almost no sign of an atmosphere. The surface of the atmosphere had been molten. The atmosphere was forming from the gases that poured out from volcanoes. It had contained hydrogen, sulfide, methane, and high quantities of carbon dioxide.

# data[].attributes.body
During this time period the atmosphere had no oxygen, the oxygen had instead been in form of compounds like water. The atmosphere was mostly made up of methane and nitrogen.

# data[].attributes.body
At this time period, life along with the earth's atmosphere started developing at the same time. Tiny photosynthetic organisms slowly created enough oxygen over time to interact with the atmosphere's methane and permanently change it. The methane cloud lifted, and the sky became blue some two billion years ago.

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At this time, the atmosphere had been made up of 20% oxygen. Since life had started developing, it had a major effect on the atmosphere during this time.

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The planet was significantly warmer than it is currently throughout the most of the last 290 million years. The atmosphere back then compared to now was much hotter.

# data[].attributes.body
Modern Atmospheres. (n.d.). Forces.si.edu. https://forces.si.edu/atmosphere/02_02_07.html