Runaway Star Blamed for Black Hole’s Bizarre Disappearing Act – Gizmodo Australia

Two years ago, astronomers watched in confusion as the corona of a supermassive black hole quickly faded from view, only to reappear a few months later. New research suggests this strange episode was caused by a runaway star.
Supermassive black holes are located in the centres of galaxies, and, like ordinary black holes, they dont give off any light. That said, theyre often surrounded by a swirling ring of gas, called an accretion disk, which causes their surroundings to shine rather brightly. …

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