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How many voids have been observed.
I recall of another half billion lights theses which was not Bootes Void, so maybe that's a starting count of three including the super void.
Void seems a most inappropriate word.
Void to me suggests empty. Less dense is hardley a void.
I have wondered about their dark matter content..could there be more dark matter or less.
I could suggest support for either however I wonder what observations will show.
I wonder if voids are expanding or collapsing.
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