Jul 04 2012 ∞
…dark matter forms almost exactly 25% of the total contents of the universe (the rest is made up of 71% dark energy and 4% ordinary luminous matter).
— Giant ropes of dark matter found in new sky survey - 21 February 2008 by Stephen Battersby (via New Scientist)
But wait, there’s more!
This shows that the filament is “part of a network of dark matter that connects galaxy clusters throughout the universe”…
— Dark matter underpinnings of cosmic web found - 04 July 2012 (via New Scientist)