Quasars β the brightest objects in the universe β are powered by supermassive black holes at the heart of early galaxies.
The Euclid space telescope has spotted the oldest quasars β the brightest objects in the universe β ever discovered, deepening a cosmic mystery that has been puzzling scientists.
Quasars are powere⦠[+4547 chars]
Quasars are powere⦠[+4547 chars]