“Black holes of such mass should not even exist in our galaxy, according to most of the current models of stellar evolution,” he added. Scientists generally believe that there are two types of black holes. The more common stellar black holes — up to 20 times more massive than the Sun — form when the centre of a very big star collapses in on itself. “That means that this is a new kind a black hole, formed by another physical mechanism!”100 million black holesLB-1 was discovered by an international team of scientists using China’s sophisticated LAMOST telescope. But this method has limited usefulness because only a small number of black hole systems where the companion star orbits very close to the black hole would emit detectable X-rays, Liu said at a press conference.

Source: Egypt Independent November 28, 2019 10:41 UTC