Science
Runaway Star Blamed for Black Hole’s Bizarre Disappearing Act – Gizmodo UK
“It was so strange that at first we thought maybe there was something wrong with the data… no one we talked to had seen anything like this.”
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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