science
Euclid telescope finds 31 ancient quasars, setting cosmic distance record
Two record-breaking quasars shone as brightly as a trillion Suns when the universe was just 670 million years old, ESA says.
Two record-breaking quasars shone as brightly as a trillion Suns when the universe was just 670 million years old, ESA says.
ESA's Euclid space telescope has documented 31 of the oldest quasars ever seen, including two dating to when the universe was just 5% of its current age.