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Originally Posted by troutman
Wouldn't the constant universe go dark, when all the stars burn out? Can stars continue to be born indefinitely?
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From what I've read they cannot unless conditions are perfect. Reminds me of a Steven Baxter novel I read where eventually the human race (or whatever it became) was forced to create stars and energy by mining the deepest black hole type centers of galaxies. And that only extended their time in the universe, eventually everything did decay due to entropy.
Of course, that was based in an ever expanding universe. If the universe stopped expanding might that stop entropy? Are the two linked? Kind of like the expansion of the universe to spread apart is like the tendencies of particles and matter to spread apart after time. I dunno. Basically every particle eventually decays, and on a larger scale all matter eventually decays. But is that because the universe is expanding or is that because of something else. I dunno. I don't think so, but I have no clue.
My guess is that everything would eventually burn out even if the universe wasn't expanding. But maybe the two are mutually exclusive?