Compare this. 
I was thinking of posting about it.
http://www.nrao.edu/pr/2007/coldspot/
There seems to be some disagreement whether this is a real void or not.
Bootes Void
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Compare this. I was thinking of posting about it.
http://www.nrao.edu/pr/2007/coldspot/
There seems to be some disagreement whether this is a real void or not.
Check this out.
http://www.acceleratingfuture.com/michael/blog/2006/04/the-bootes-void/