Andromeda likely consumed the Milky Way’s long-lost sibling
The Andromeda Galaxy (M31) is the largest member of the Milky Way’s gang of galactic neighbors, known as the Local Group. With around a trillion suns worth of mass, Andromeda’s gravitational influence is a force to be reckoned with. And according to new research, no galaxy in the Local Group knows this better than M32, an oddball satellite galaxy now orbiting Andromeda.
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