Smithsonian Magazine on MSN15h
An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists Say
The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
What Is Quipu? Scientists Discover Superstructure Larger Than the Milky Way
Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...