Quote:
Originally Posted by Jez  Jnb does space go on for ever? |
Space does not go on forever but that is not the same as saying you can not travel forever within it.
If space went on forever then either there would be matter everywhere in which case there would be an infinite mass in the universe and it would all have collapsed long long ago or there would be an edge to the matter in the universe. If there was an edge to the matter in the universe then ignoring the special case that we just happen to be exactly in the centre of the universe we would see an assymetry to the universe, which we don't.