The Ladder of Scale · structure

Laniakea Supercluster

Supercluster · 520 million ly

Within
Pisces–Cetus Supercluster Complex
Recognised
2014
Population
~100,000 galaxies, 10¹⁷ solar masses
Size (ly)
520000000
Kind
Supercluster

Notes

Defined not by where galaxies are but by where they are going: Tully and colleagues mapped the peculiar velocities of 8,000 galaxies and drew the boundary where flows diverge. Everything inside falls toward the same place. The name is Hawaiian for 'immeasurable heaven'.

Open on the The Ladder of Scale shelf — the interactive card, the filters, and everything alongside it.

From the Cosmic Structures database in Notion, last edited 2026-08-20. This page is the row, rendered by the build; nothing on it is written by hand.