Sun’s Galactic Escape Tracked by Gaia’s Twin Stars
TL;DR Summary
A Gaia-based study of ~2 billion stars found 6,594 solar twins clustered in the 4–6 billion-year range near the Sun’s current orbit, suggesting a mass outward migration from the galactic core during the Milky Way’s bar formation. The temporary lowering of a corotation barrier likely allowed Sun-like stars to drift outward, placing our Sun in a calmer region conducive to life.
- The Sun's Great Escape Universe Today
- We are not alone: Our sun escaped together with stellar 'twins' from galaxy center Phys.org
- 'Mass migration' of stars from the Milky Way's center could explain why there's life in our solar system Live Science
- Our Sun may have migrated across the Milky Way billions of years ago Earth.com
- The Sun Was Formed 10,000 Light-Years Closer to the Milky Way Center. It Escaped in a Massive Migration of Thousands of Solar Twins ZME Science
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