[eeyore]

Originally Posted by Adam Cheeseman

Similarly, if the universe is constantly expanding, what is it expanding into?

Cheers,

Adam

i think the definitive answer is that its impossible to say because the edge of the universe is going away from us at the speed of light. some scientists speculate that eventually it will start to contract and evwentually we will all get squished like a particularly unfortunate Hedgehog

also as i understand it beyond the edges of the universe nothing exists in a form we can understand because the laws of space and time do not aplly in undimensional N space - well you did ask