So far, only about ten intermediate-mass black holes have been discovered in the entire universe / The newly identified black hole causes surrounding stars in a cluster to move in an unexpectedly orderly way While researching a cluster of stars in the immediate vicinity of the supermassive black hole SgrA* (Sagittarius A*) at the centre of our galaxy, an international team of researchers led by PD Dr Florian Peißker has found signs of another, intermediate-mass black hole. Despite enormous resea...