If I've gotten the right impression, much of our currently visible universe will eventually be expanded away from us, never to be seen again. Do we already know how much and what parts of our present neighborhood we'll be left huddling with?
posted by Anything on Dec 4, 2011 - 12 answers

What is the universe expanding into? [more inside]
posted by Guy_Inamonkeysuit on May 12, 2010 - 31 answers

Is that red shift in your pocket... [more inside]
posted by sundri on Dec 8, 2009 - 19 answers

How is the universe 156 billion light years across if it is only 13.7 billion years old?
posted by plexi on Mar 12, 2008 - 17 answers