A gigantic, previously unknown set of galaxies has been found in the distant universe, shedding light on the underlying skeleton of the cosmos.
"Matter is not distributed uniformly in the universe," said Masayuki Tanaka, an astronomer with the European Southern Observatory (ESO) who helped discover the galactic assemblage.
The team led by Tanaka discovered a large structure around a distant cluster of galaxies in images they had taken earlier. They have now used two major ground-based telescopes to study this structure in greater detail, measuring the distances from Earth to more than 150 galaxies, and, hence, obtaining a three-dimensional view of the structure.
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