Like a fossil hinting at a long-gone animal, a black hole is offering clues about a now-destroyed galaxy that may once have existed around it. The Hubble Space Telescope recently spied a cluster of young blue stars surrounding a rare mid-weight black hole that suggests the black hole was once at the center of a dwarf galaxy. Astronomers think this galaxy was torn apart by the gravity of a larger host galaxy that it orbited

Visit link:
Rare Black Hole Survives Galaxy’s Destruction