This object, called Sagittarius A*, four million times more massive than the Sun, has been captured by the Event Horizon Telescope (EHT) international project. The finding, which has the outstanding participation of the Institute of Astrophysics of Andalusia (IAA-CSIC), confirms the existence of the black hole and helps to understand these gravitational 'monsters' from which nothing can escape, not even light. The image shows the dark central region surrounded by a bright ring-shaped structure, where light is bent by the black hole's powerful gravity