Infrared archive reveals quiet birth of new black hole in Andromeda
Astronomers have used nearly two decades of infrared and optical observations to watch a massive star in the Andromeda galaxy quietly collapse into a black hole instead of ending its life with a bright supernova explosion. The object, cataloged as M31-2014-DS1, sits about 2.5 million light years from Earth in the neighboring Andromeda galaxy. A typical massive star death produces a powerfu