Everything we know is probably wrong
Just when we think we've got a handle on what's going on, along comes some new knowledge that shakes our understanding of it all. NASA scientists have now confirmed findings reported a few years ago, that yes indeed, "dark flow", is real. Using a larger data set of 1,400 galaxy clusters and looking further out, they've been able to confirm that something has been pulling the known universe towards it -- at least to 2.5 billion light-years back -- and most likely, out to beyond the edge of the known universe.
in reference to: New Proof Unknown "Structures" Tug at Our Universe (view on Google Sidewiki)
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