NASA Probe Accidentally Discovers Black Hole Flaring 30,000 Light-Years Away

While the OSIRIS-REx spacecraft was orbiting asteroid Bennu, one of the instruments on board happened to catch a glimpse of a black hole ‘out of the corner of its eye,’ so to speak.
While intently focusing on the asteroid, the Regolith X-Ray Imaging Spectrom… [+3854 chars]Source