Supermassive black holes have masses of more than a million solar masses – but their growth has slowed as the universe ages
When you buy through links in our articles, Future and its syndication partners may earn commission. Most of the blue dots in this sky scan are supermassive black holes that emit powerful X-rays. | Credit: Fan Zou (Penn State) and the XMM-SERVS Collaboration This article was originally published at: Speech. The publication contributed the article… Read More »