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Originally Posted by Yakk
You can have a 'big bang' that starts with an infinite sized universe, involves space stretching rapidly, and ends up with an infinite sized universe which is 'bigger' than the original universe in a local way. It looks just like ours does, as a bonus.
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Sorry Yakk I don't mean to keep contradicting you, but the big bang model only works with a finite universe. The big bang model suggests that all matter which is in the universe, the universe itself was contained in a very very small space - which was unstable and exploded, the tricky thing to try to appreciate is that it was not an explosion as we percieve one, as it's centre was not within the universe which resulted - what my original balloon analogy attempts to show. since the explosion and resluting universe had boundaries, it was not infinite and so could never become infinate.