Here are some incredibly beautiful images:
http://www.ted.com/index.php/talks/george_smoot_on_the_design_of_the_universe.html
It feels like I didn’t quite realize how large the universe was. I was imagining that it was very large but mostly empty, trailing off out beyond the galaxies. The universe does not look empty in those pictures; it looks full. Somehow a full universe seems much larger than an empty universe.