Milky Way’s Quiet Core Reveals Hidden Wind From Its Central Black Hole
Astronomers using ALMA and Chandra detected a cone-shaped cavity around Sagittarius A*, signaling a hot wind from the Milky Way’s central black hole that has cleared nearby gas; the outflow is estimated to have been active for at least 20,000 years, offering new insight into how Sgr A* influences its environment even in a relatively quiet state and into black hole feedback in galaxies.
