The Hyperion supercluster. The blue cloud represents the likely position of the structure’s dark matter ESO/L. Calçada & Olga Cucciati et al.
Giants have been around far longer than we thought. A survey of the early universe has revealed a gigantic structure that formed just two billion years after the big bang. Its existence could teach us more about how the universe developed and hints at how much dark matter was around at the time.
The half-formed supercluster of galaxies, nicknamed Hyperion after a Titan from Greek mythology, is the largest object ever seen from that epoch. Peering into…
