The Sun likely formed 10,000 light years from its current home
Evidence from the Sun's chemical makeup suggests our solar system was born much closer to the galaxy's center before migrating outward.
While the Sun currently sits about 27,000 light years from the center of the Milky Way, researchers believe it likely formed roughly 10,000 light years closer to the galactic heart. This theory of stellar migration is based on the Sun's specific chemical composition, which contains a higher concentration of heavy elements than is typical for its current neighborhood.
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