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1min chapter
AMA | May 2023
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Evolution of Cosmic String Predictions
Inflationary cosmology was a candidate for generating the tiny density perturbations that would grow into galaxies and structure today. But there was another candidate, cosmic strings which could easily be formed in the early universe. Cosmic string predictions were wildly ruled out when they weren't compatible with what we saw. The basic problem was that the inflationary predictions are all made very early and they sort of evolve in lockstep since then.
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