Wherever there is matter in an ever-thinning universe, there might be an entire cosmologically-sized era dominated by an entirely different chemistry to what we have now.
Wherever there is matter in an ever-thinning universe, there might be an entire cosmologically-sized era dominated by an entirely different chemistry to what we have now.
I think to get to the heart of what you are saying, don’t forget particles decay! So local accumulations have no choice but to evaporate basically over time