Dossier
40,000 light-years
Coverage of 40,000 light-years in the Nexus archive.
- Starbirth shuts down 40,000 light-years from the Milky Way's core — and astronomers don't know why
Star formation has ceased 40,000 light-years from the Milky Way's core, despite the galaxy's spiral disk spanning 100,000 light-years. Astronomers are uncertain why starbirth has stopped in this region.