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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

303 | AMA | February 2025

1336.586 - 1350.335 Sean Carroll

I've always wondered why cosmologists say we need to explain why the baryons in the current universe are almost all matter. If there were nearly equal parts matter and antimatter in the early universe, but randomly just a tad more matter, then after annihilation, that small amount is what you would see today.

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