Astronomers discover black hole that may have formed without supernova

Astronomers have found a black hole in the Cygnus constellation formed without a supernova. This unique system includes a black hole and two stars. The black hole, feeding off a nearby red giant star, supports the 'direct collapse' theory of star implosion without an explosion, a first confirmed observation of its kind.

from Science News - Times of India https://ift.tt/1imkQq8