The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a galactic filament spanning roughly 10 billion light-years.
Notes on verification
Discovered in 2013, documented in peer-reviewed astronomical surveys [2026-08-28 re-verified orphan: promoted with 5 independent source(s)] [2026-08-29 audit re-verified: 4 independent source(s)]
Sources
- https://www.skyatnightmagazine.com/space-science/hercules-corona-borealis-great-wall (reverify-primary)
- https://www.scienceabc.com/nature/universe/what-is-the-biggest-thing-in-the-universe (corroboration)
- https://arxiv.org/pdf/2008.03679 (corroboration)
- https://www.sciencealert.com/largest-structure-in-the-universe-may-be-50-larger-than-we-thought (corroboration)
- https://www.earth.com/news/largest-structure-in-universe-great-wall-hercules-corona-borealis-bigger-than-imagined/ (corroboration)
- https://scaleofuniverse.com/en/universe/hercules-corona-borealis-great-wall (audit-corroboration)