Astronomers have discovered that supermassive black holes drive the expansion of the universe.
https://www.imperial.ac.uk/news/243114/scientists-find-first-evidence-that-black/#:~:text=Observations%20of%20supermassive%20black%20holes,'%2070%25%20of%20the%20Universe.
Observations of supermassive black holes at the centres of galaxies point to a likely source of dark energy โ the โmissingโ 70% of the Universe.