Solid Phosphorus has been Found in Comets. This Means They Contain All the Raw Elements for Life

Did comets deliver the elements essential for life on Earth? It’s looking more and more like they could have. At least one comet might have, anyway: 67P/Churyumov–Gerasimenko. A new study using data from the ESA’s Rosetta mission shows that the comet contains the life-critical element phosphorous.

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