A supermassive black hole in a distant galaxy cluster has erupted after approximately 100 million years of complete silence, unleashing a jet of magnetised plasma across nearly a million light-years of space in what the astronomers who observed it have descr - Space Daily
Source:Space Daily
Every large galaxy in the observable universe is thought to host a supermassive black hole at its centre. Most of the time, on the available observational evidence, these black holes are dormant. They accrete only tiny amounts of matter from their immediate s…