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Astronomy

What the Cosmic Web Tells Us About Large-Scale Structure

Quick fact

The cosmic web was confirmed in the 1980s by the CfA Redshift Survey, which found that galaxies align along walls and filaments, leaving enormous empty voids between them.

Why this is interesting

You live on a planet orbiting a star among billions of stars, but if you zoom out far enough, you'll see something unexpected: galaxies aren't scattered randomly like stars in the sky. They form a vast web of filaments and voids that spans the universe—what shaped this pattern?