“Astronomers Uncover a Massive Shaft of Missing Matter”

Another clue about the whereabouts of the missing matter in the Universe has just emerged from amid the largest local cosmic structure.
X-ray observations have revealed a massive filament of hot gas, measuring some 23 million light-years in length, in the space between four sub-clusters of galaxies in the enormous, 8,000-galaxy strong Shapley Supercluster.








