Curiosity Rover Finds Hints of a Carbon Cycle on Ancient Mars

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By EditorDavidApr 19, 2025, 5:34 pm369 ptsTop
Billions of years ago Mars "had a warm, habitable climate with liquid water in lakes and flowing rivers," writes Ars Technica. But "In order for Mars to be warm enough to host liquid water, there must have been a lot of carbon dioxide in the atmosphere," says Benjamin Tutolo, a researcher at the University of…

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