Say hello to Sagittarius A*, the black hole at the center of the Milky Way galaxy
- Written by Chris Impey, University Distinguished Professor of Astronomy, University of Arizona

On May 12, 2022, astronomers on the Event Horizon Telescope team released an image of a black hole called Sagittarius A* that lies at the center of the Milky Way galaxy. Chris Impey, an astronomer at the University of Arizona, explains...