blog posts U of I astronomers just spotted two supermassive black holes nearing a collision Apr 17, 2023 1:45 pm by ScienceAlertIllinois in the News Share on Facebook Tweet Email Images It's rare to see an impending supermassive black hole collision. 'We don’t see a lot of double quasars at this early time in the universe. And that’s why this discovery is so exciting,' says grad student Yu-Ching Chen Share on Facebook Tweet Email