NASA/JPL-Caltech
The universe could be infinite in size, but how is it logically possible to attain an infinite size from a finite initial state?
Antonio Padilla University of Nottingham, UK
If the universe has only existed for a finite time, then we couldn’t actually have an infinitely large universe emerging from a finite initial state.
However, we don’t know if the initial state of the universe was finite or not. It could have been infinite from the very beginning. There is no cosmological observation that rules this out.
The cosmic microwave background radiation encodes information about the shape of the universe,…
