20
Jul
A group of international researchers at the in Germany recently discovered one of the rarest types of black holes in the universe. The researchers were observing a cluster of stars in the vicinity of a supermassive black hole named Sagittarius A (Sgr A) at the center of the Milky Way galaxy. They then discovered signs of an intermediate-mass black hole, a type of black hole that’s sometimes referred to as the “missing link” of black holes, according to .Black holes range in size from supermassive to primordial and the intermediate sits above primordial in size. They are believed to have…