A large structure in the early universe, formed just two billion years after the Big Bang, was discovered by Italian and American astronomers, according to a study published on Wednesday in the journal Astronomy & Astrophysics.
The galaxy proto-supercluster, nicknamed Hyperion, has been the largest and most massive structure yet found at such a remote time and distance.
Hyperion is the largest and most massive structure to be found so early in the formation of the Universe, or 11.5 billion years ago, with a calculated mass more than one million billion times that of the Sun, according to the study as reported by news agency Xinhua.
"Superclusters closer to Earth tend to a much more concentrated distribution of mass with clear structural features," said Brian Lemaux, project scientist at University of California, Davis, as quoted by the news agency.
"But in Hyperion, the mass is distributed much more uniformly in a series of connected blobs, populated by loose associations of galaxies," said Lemaux.