With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.
Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters containing an astonishing 200 quadrillion solar ...
Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the ...