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