humans came about pretty late in the earth's habitable window but very early compared to most future stars. i think from most future stars you can only reach the local group instead of the trillions of galaxies we can maybe reach. what's with that
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i don't get what's supposed to happen to all the gas in scenarios like this where star formation mostly ends earlyhttps://thegreatatuin.wordpress.com/2016/09/25/space-and-time-part-ii/ …
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it's also interesting to think about what happens after there are stars (given that that will be a much longer time still)https://worldbuilding.stackexchange.com/questions/37920/could-life-evolve-in-the-degenerate-era-of-the-universe …
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yeah that's the argument by that author, it is about the years planets would be expected to be habitable, not years that planets exist.
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