The Ladder of Scale · structure

South Pole Wall

Filament · 1.4 billion ly

Within
—
Distance (ly)
500000000
Recognised
2020
Population
a wall of galaxies
Size (ly)
1400000000
Kind
Filament

Notes

Hidden behind the Milky Way in the southern sky and only mapped in 2020, by inferring where mass must be from how nearby galaxies move rather than by seeing it.

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.