The Ladder of Scale · structure
Orion Arm
Local · 10 thousand ly
- Coordinates
- origin — we are inside it
- RA (deg)
- 0
- Dec (deg)
- 0
- Within
- Milky Way
- Population
- a minor spiral arm
- Size (ly)
- 10000
- Kind
- Local
Notes
The spur of the Milky Way's spiral we sit in, between the Sagittarius and Perseus arms — not a major arm, which was only established once radio surveys could map the gas.
Open on the The Ladder of Scale shelf — the interactive card, the filters, and everything alongside it.