You guys heard or read about the 1 billion light year wide hole in space
they found? It has no matter in it. Nope. Not a black hole because they
have high density matter and even dark matter inside. This is just an area
of universe where they can't see anything there. No stars behind it;
nothing. Hum. I wonder. Read from the link below or I'll post the article
to the list. Interesting story and reading.
http://www.physorg.com/news107109720.html