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by pfdietz
1716 days ago
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The Earth will lose its oxygen first, then enter a moist greenhouse. This is all long before the sun becomes a red giant. https://phys.org/news/2021-03-simulations-earth-oxygen-rich-... (the summary there is inaccurate; CO2 will be increasingly absorbed by weathering of rocks as the Earth heats, until photosynthesis fails and oxygen levels collapse.) |
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