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The vastest structure ever is a collection of super clusters a billion light years away extending for 5% the length of the entire observable universe.
Recently, cosmologists have estimated that some of these galactic walls may have taken from 80 billion to 100 billion, to 150 billion years to form in a direct challenge to current age estimates of the age of the Universe following the Big Bang.
What is the meaning of life, the universe and everything?
42, of course