The Ladder of Scale · structure
CfA2 Great Wall
Filament · 500 million ly
- Within
- —
- Distance (ly)
- 300000000
- Recognised
- 1989
- Population
- thousands of galaxies
- Size (ly)
- 500000000
- Kind
- Filament
- Redshift
- 0.015–0.03
Notes
The first structure found that was too big for anyone's model: Geller and Huchra's redshift survey turned up a sheet of galaxies 500 million light-years long and only 15 million thick. It ended the assumption that the universe was smooth on any scale you cared to look at.
Open on the The Ladder of Scale shelf — the interactive card, the filters, and everything alongside it.