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This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are listed based on their longest dimension.
Superclusters are frequently subdivided into groups of clusters called galaxy groups and clusters. Although superclusters are supposed to be the largest structures in the universe according to the Cosmological principle , larger structures have been observed in surveys, including the Sloan Great Wall .
Abell 2744 galaxy cluster - Hubble Frontier Fields view (7 January 2014) [1]. This article lists some galaxy groups and galaxy clusters.. Defining the limits of galaxy clusters is imprecise as many clusters are still forming.
This page was last edited on 20 August 2013, at 09:08 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
List of superclusters This page was last edited on 18 April 2022, at 04:01 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
MACS J0152.5-2852 is a massive galaxy cluster. Almost every pixel seen in the image is a galaxy, each containing billions of stars. [1]Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. [2]
Hercules Superclusters: Serpens: 16 h 02 m 17.2 s +15° 53′ 43″ 1 III 2151: Hercules Cluster: Hercules Superclusters: Hercules: 16 h 05 m 15.0 s +17° 44′ 55″ 2 III Major component of the Hercules Superclusters. 2152: Hercules Superclusters: 16 h 05 m 22.4 s +16° 26′ 55″ 1 III The smaller part of the Hercules supercluster, L x ≤ ...
Below is a list of the largest known star clusters, ordered by diameter in light years, above the size of 50 light years in diameter. This list includes globular clusters , open clusters , super star clusters , and other types.