How Things Look on Instagram: "TON 618 is the largest known black hole in the universe, classified as an ultramassive quasar. It has a mass estimated at around 66 billion times that of the Sun, making it one of the most extreme objects ever discovered. TON 618 is located about 10.37 billion light-years away, meaning its light has traveled across most of the universe to reach us, offering a glimpse into the distant past. The black hole is surrounded by a bright accretion disk of gas and dust, hea