Finding our galactic centre
Three years ago, history was made when the first image of a black hole inspired wonder and awe around the world as we glimpsed the shadow of light escaping from the supermassive black hole M87*. Today, history is being made again as the Event Horizon Telescope (EHT) Collaboration releases the image of a second black hole — Sagittarius A* (Sgr A*) — the one at the centre of our own Milky Way galaxy.