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70 | Katie Mack on How the Universe Will End
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Future of Astronomy
As the universe keeps expanding, since there aren't other galaxies coming toward us anymore, you don't get all this new material thrown into the galaxy. So you stop forming stars. You use up all the hydrogen in our galaxy with making stars. Then those stars die and fade out. And then so eventually you have a bunch of black holes. It'll be a lonely little island universe unless we were able to successfully send them records. But nobody will be able to check this stuff from first principles.
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