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A martian rock has lots of carbon on it, and it's not clear why
Article URL: https://arstechnica.com/science/2026/07/a-martian-rock-has-lots-of-carbon-on-it-and-its-not-clear-why/ Comments URL: https://news.ycombinator.com/item?id=48785459 Points: 6 # Comments: 0