Quote:
Originally Posted by sexobon
Well, I heard the edge of the universe is an enveloping wormhole that funnels the universe back into the center of itself.
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I just thought of this when I read this post. Similar but different.
I recently read that the space is curved, e.g. parallel lines will eventually meet. And that e v e n t u a l l y if you followed the curve it would wrap back around. It turns out that we might not have to define an outer limit of space, it may be entirely self-contained and infinitely circular.