The first image of M87* — and humanity's first image of any black hole, for that matter — was taken by the EHT in 2017 and released to the public in 2019. It was notable for its bright golden ring, ...
NASA has identified two types of auroras—fast-pulsating and flickering. Pulsating auroras flash on and off within seconds.
For the first time, scientists witness a supermassive black hole releasing jets of material at immense speeds, offering a glimpse into jet formation and propagation in active galactic nuclei.