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Why is Venus hell and Earth an Eden?
A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet.
As well as exploring what went so wrong on the second rock from the sun, this work speaks to a query closer to home, said Paul Byrne, a planetary scientist at Washington University in St. Louis who was not directly involved with the project: “How long is Earth habitable for?” In its own storied past, Earth experienced prolonged eruptions of lava in single regions, known as large igneous provinces (LIPs), that lasted for hundreds of thousands and perhaps millions of years. Kane’s team acknowledged that their model hasn’t considered LIP-style mega-eruptions, and that these events could feasibly add a bounty of trapped carbon to the atmosphere at any point in the future.
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