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So, there is an edge. But that edge is not static! it just keeps expanding?
is something else getting smaller as the universe expands?
There is, for practical purposes an edge, insofar as a point beyond which we cannot see; but ofcourse, it is not an edge in the sense that with most things we think of an edge between one known thing and another known thing, but as edge between the knowable and the unknowable.And, yes, it does keep expanding.
Ok. if the universe is expanding in all directions, what "space" is it occupying! Is it taking over an area, part of space that was not within our universe? or, as it expands is it creating new "space", or something else?
There is another topic that deals with this question, but I can't remember what it was called!!