> if there are pockets of antimatter in there, they'd [...] be separated from normal matter early on in the process (leading to huge gaps between the cells) Th

> if there are pockets of antimatter in there, they'd [...] be separated from normal matter early on in the process (leading to huge gaps between the cells) Thanks to inflation, I suspect that something like this might indeed be possible. Any cosmologist around who knows enough about ΛCDM to give an educated guess?