What Are Primordial Black Holes And How Are They Detected?
By The Conversation One of the most intriguing predictions of Einstein’s general theory of relativity is the existence of black holes: astronomical objects with gravitational fields so strong that not even light can escape them. When a sufficiently massive star runs out of fuel, it explodes and the remaining core collapses, leading to the formation of a stellar black hole (ranging from 3 to 100 solar masses). Supermassive black holes also exist in the centre of most galaxies. These are the largest type of black hole, containing between one hundred thousand and ten billion times more mass than ...