Life on Mars? Curiosity rover finds carbon signature that could be biological
Analysis of Martian rock samples by NASA’s Curiosity rover laboratory reveals the presence of a type of carbon associated with biological processes on Earth.
It’s a fascinating discovery. Almost half of the rock samples taken by Curiosity in Gale Crater had surprisingly high levels of carbon-12. Carbon is found in all life on earth. Found in air, water and soil, it generates a cycle that is well understood thanks to isotope measurements. More on the subject of a possible Mars mission: …
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