Local Supercluster

astronomy

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June 30, 2026

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A supercluster is a large grouping of galaxy clusters, typically containing 3 to 10 clusters and spanning up to 200 million light-years. These are the largest known structures in the universe.1

The Local Supercluster, centered around the Virgo cluster, is a flattened collection of about 100 galaxy groups and clusters, including our own Local Group. The Local Group itself contains over 20 galaxies, including the Milky Way and the Andromeda galaxy. While superclusters fill about 10 percent of the universe's volume, the space between them is relatively empty.12

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supercluster
Abell—as the Local Supercluster, a flattened collection of about 100 groups and clusters of galaxies including the Local Group. The Local Supercluster is centred approximately on the Virgo cluster and has a total extent of roughly 2 10⁸ light-years. Its precise boundaries, however, are difficult to define…
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Abell—as the Local Supercluster, a flattened collection of about 100 groups and clusters of galaxies including the Local Group. The Local Supercluster is centred approximately on the Virgo cluster and has a total extent of roughly 2 10⁸ light-years. Its precise boundaries, however, are difficult to define…
Read More