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.
Read more: http://www.astronomy.com/news/2018/07/milky-ways-lost-sibling?source=Snapzu