The Ladder of Scale · structure
Local Bubble
Local · 1 thousand ly
- Coordinates
- origin — we are inside it
- RA (deg)
- 0
- Dec (deg)
- 0
- Within
- Orion Arm
- Population
- hot, thin gas; ~15 nearby stars
- Size (ly)
- 1000
- Kind
- Local
Notes
A cavity blown in the interstellar medium by supernovae about 14 million years ago, which is why the sky nearby is unusually clear of dust. Its surface is where most nearby star formation is happening.
Open on the The Ladder of Scale shelf — the interactive card, the filters, and everything alongside it.