Quasars — the brightest objects in the universe — are powered by supermassive black holes at the heart of early galaxies.
https://www.cbsnews.com/news/oldest-quasars-ever-discovered-euclid-telescope/
Quasars — the brightest objects in the universe — are powered by supermassive black holes at the heart of early galaxies.
https://www.cbsnews.com/news/oldest-quasars-ever-discovered-euclid-telescope/