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Astronomy

The Cosmic Web: Large-Scale Structure of Galaxy Clusters and Superclusters

Quick fact

The largest known supercluster, the Hercules–Corona Borealis Great Wall, stretches about 10 billion light‑years across – nearly one‑tenth of the size of the observable universe!

Why this is interesting

You know galaxies are scattered across the sky, but did you know they form a gigantic, sponge‑like web that spans billions of light‑years? Why aren't they arranged randomly?