Using the James Webb Space Telescope, astronomers discovered that, between 7 and 10 billion years ago, there were fewer feeding supermassive black holes than previously thought
James Webb Space Telescope reveals active supermassive black holes were surprisingly rare in early universe
Source: space
Source Link: https://www.space.com/news/james-webb-space-telescope-reveals-active-supermassive-black-holes-were-surprisingly-rare-in-early-universe