Our sun might be a migrant from the inner Milky Way

A new study suggests our sun might be a migrant from a more central region of our home galaxy, the Milky Way. It suggests our sun joined a migration of other stars, which moved outward from the inner part of the galaxy some 4 to 6 billion years ago. Image via NAOJ/ EurekaAlert.

• Astronomers suggest the sun might have migrated from near the central bar-shaped nucleus of our Milky Way galaxy.
• Scientists studied 6,594 solar “twin” stars, using Gaia data. Many share the sun’s age (about...