>space itself is expanding (into what? nobody knows) This is a conflation of two different things. Most of the current evidence points to a universe which, wh

>space itself is expanding (into what? nobody knows) This is a conflation of two different things. Most of the current evidence points to a universe which, when it began, was already infinite in size, but infinitely dense. In that model, it remains infinite in size, but is also expanding.