noun
- extremely large groups of galaxy clusters that are among the largest known structures in the universe
Usage: astronomy; plural form of supercluster
Examples
- Superclusters contain hundreds or thousands of galaxies spread across millions of light-years.
- The Virgo Supercluster includes our own Milky Way galaxy.
- Scientists study superclusters to understand the large-scale structure of the universe.
- These massive superclusters are separated by vast empty regions called cosmic voids.
- The Laniakea Supercluster was discovered through detailed mapping of galaxy movements.
- Astronomers have identified several superclusters in our observable universe.