How Big?

All things · The Cosmic Web

Laniakea Supercluster: how big is it?

Laniakea Supercluster is about 518 million light-years. In everyday terms, that is ≈ 5,180 Milky Ways.

Size
518 million light-years
In metres
4.90 × 10²⁴ m
Everyday comparison
≈ 5,180 Milky Ways
Chapter
The Cosmic Web

Did you know?

Our home supercluster. Its name means ‘immeasurable heaven’ in Hawaiian, and it contains around 100,000 galaxies.

How it compares

See it on the zoom

Other things of a similar size

Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.