The earliest galaxy 'swallowed' by the cannibal Milky Way left a scar at its heart

The earliest example of the Milky Way cannibalising a smaller galaxy for its growth involved a cosmic meal that left a scar at the heart of our galaxy. The Milky Way has something of a torrid and violent history, given that our galaxy has fueled its own growth by cannibalistically devouring smaller galaxies [1].

Sources

1. space.com · The earliest galaxy 'swallowed' by the cannibal Milky Way left a scar at its heart Aug 24, 2026

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