This mysterious black hole at the dawn of time weighs a billion suns: ScienceAlert
A discovered black hole lurking in the Cosmic Dawn is too big to be easily explained. Sitting at the center of a galaxy called J1120 + 0641, it tips the scales at the mass of a billion Suns. Supermassive black holes exist all around us today. The problem is when of the existence of J1120+0641. … Read more