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And this is either, did you have a question? I couldn't quite understand what you're saying. And life on Earth may have only been 1.8 billion years left. And so it may only survive in both another 1.8, so let's say 2 billion years. And this is based on current climate models. And these were models that were rather complex. And they actually give life on larger survival time that's on the previous studies. And that's simply a case of better technology now. In over time, our sun's well, it's getting brighter. And it'll be slowly swelling too as we get brighter. And the soil uses up a fuel. And right now, it's putting out about 1 third more energy than I did 4.5 billion years ago.