Structure Name (year discovered) | Maximum Length (in light years) | Note |
Caelum Supercluster | 910,000,000 | The Caelum Supercluster is a collection of over 550,000 galaxies. It is the largest galaxy supercluster. |
Saraswati Supercluster | 652,000,000 | The Saraswati Supercluster consists of 43 massive galaxy clusters, which include Abell 2361 and ZWCl 2341.1+0000. |
Boötes Supercluster | 620,000,000 | |
Horologium-Reticulum Supercluster (2005) | 550,000,000 | Also known as the Horologium Supercluster. |
Laniakea Supercluster (2014) | 520,000,000 | Galaxy supercluster in which Earth is located. |
Hyperion proto-supercluster (2018) | 489,000,000 | The largest and earliest known proto—supercluster. |
Draco Supercluster | 410,000,000 | |
Great Attractor | 400,000,000 | |
Shapley Supercluster | 400,000,000 | First identified by Harlow Shapley as a cloud of galaxies in 1930, it was not identified as a structure until 1989. |
Virgo Supercluster | 110,000,000 | A part of the Laniakea Supercluster. It also contains the Milky Way Galaxy, which contains the Solar System. |