I had no idea there was such a thing as fossil galaxies, remnants of older galaxies that exists within a current galaxy. Apparently such a fossil galaxy has been discovered in the center of the Milky Way.
— Read the restScientists working with data from the Sloan Digital Sky Surveys' Apache Point Observatory Galactic Evolution Experiment (APOGEE) have discovered a "fossil galaxy" hidden in the depths of our own Milky Way.
