Science
Our Sun May Have Migrated From the Milky Way's Crowded Core
New research suggests the Sun and thousands of similar stars may have made a dramatic journey from the galaxy's dense inner regions to the quieter outer disk billions of years ago—a migration that may have made life on Earth possible.
Key Takeaways
- Scientists found evidence the Sun may have migrated from the Milky Way's dense inner regions to the calmer outer disk billions of years ago
- Radial migration driven by gravitational interactions with spiral arms can move stars large distances over billions of years
- The quieter outer disk may have been a necessary condition for Earth's long-term habitability
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DT Editorial AI··via sciencedaily.com