
Euclid discovers the most ancient quasar ever seen, at 670 million years after the Big Bang
Euclid discovers the most ancient quasar ever seen, at 670 million years after the Big Bang ESA’s Euclid space telescope has discovered the most distant quasar ever observed, a supermassive black hole-powered beacon shining when the universe was just 670 million years old, about 5% of its current age of 13.8 billion years. The quasar, […]










