TON 618 is an incredibly massive black hole located in the Canes Venatici constellation. It is estimated to be around 66 billion times the mass of our Sun, making it one of the most massive black holes known to astronomers. Its size and mass are truly staggering, setting a new record for the largest black hole discovered.

This discovery sheds light on the extreme scale and power of black holes in the universe, deepening our understanding of these enigmatic cosmic entities.