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12/23/2024 08:32:49 am

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earth ancient atmosphere thin

The layers on this 2.7 billion-year-old rock, a stromatolite from Western Australia, show evidence of single-celled, photosynthetic life on the shore of a large lake. The new result suggests that this microbial life thrived despite a thin atmosphere

Earth's Ancient Atmosphere Was So Thin, It Weighed Less Than Half of it Today

Air bubbles discovered in ancient lava flows in Australia revealed that the planet's atmosphere and air pressure were so thin, weighing less than half of today's.

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