The black hole is found deep within the Andromeda Galaxy, inside B023-G078. The Milky Way's closest galactic neighbor, the Andromeda Galaxy, also known as Messier 31 (M31), contains the massive ...

“This discovery fills the gap.” The black hole was hidden within the star cluster B023-G078, in the Andromeda galaxy. It was originally thought to be a cluster of stars, but researchers now ...