Black hole observed 'awakening' for the first time
Astronomers have been able to observe a supermassive black hole waking up and setting the heart of its host galaxy alight for the first time, the European Southern Observatory said on Tuesday. The galaxy 300 million light years from Earth in the Virgo constellation had been quiet for decades until late 2019, when it suddenly began to shine brighter than ever before. The centre of the gal