If the universe (as we know it) is in a much larger (infinite) expanse of 'nothing' a net change in the size of the universe over and above what we see, if 'scaled' proportionally to all forms of matter, fields, energy(s) etc. is irrelevant and unknowable.
Kinda like the holy ghost, only more scientifical.
Kinda like the holy ghost, only more scientifical.