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by GuB-42
1892 days ago
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It sounds wrong to me. Venus has about 100 times more atmosphere than the Earth with about the same gravity.
Titan, which is smaller than Mars and half its gravity has an atmospheric pressure of 1.5 bar, higher than the Earth. It is not the same composition, obviously, but I don't really see how it matters. On Venus, the atmosphere is mostly CO2, on Titan, mostly nitrogen, the gases we had on Earth before life came in and dumped all that oxygen. So I don't see why a 1 bar, Earth-like atmosphere would be impossible on Mars, except for the small detail of getting the gases there in the first place. |
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