I suspect there are no answers to those questions because all of these ideas are fundamentally ill-defined. They're just not that specific enough to provide answers and if they were, they would probably be ruled out by experiment. So in terms of could it be an explanation for why we all experience the same universe, no, you don't need an explanation for that. The explanation for that is that there is a universe and we're in it. That's the explanation. Michael Ailing says, to explain the uniformity of the CMB has anyone proposed an alternative to thermal equilibrium? Could some other physical process have led to it all being the same temperature in expanding the universe without the need for