The Ladder of Scale · structure
Coma Cluster
Cluster · 20 million ly
- Coordinates
- 12h 59m 44.4s +27° 54′ 44.9″ · ACO 1656 via Sc
- RA (deg)
- 194.93502
- Dec (deg)
- 27.91246
- Within
- Coma Supercluster
- Distance (ly)
- 320000000
- Recognised
- 1785
- Population
- over 1,000 galaxies
- Size (ly)
- 20000000
- Kind
- Cluster
- Redshift
- 0.023
Notes
Where dark matter was found. Zwicky weighed it in 1933 from how fast its galaxies move and concluded that most of its mass is invisible — a result ignored for forty years.
Open on the The Ladder of Scale shelf — the interactive card, the filters, and everything alongside it.