Just 670 million years after the birth of the universe! 31 of the oldest quasars ever observed discovered

Explanation

Europe's "Euclid" space telescope, together with ground-based telescopes including Japan's Subaru Telescope, joined forces to discover 31 new quasars (supermassive black holes that shine brightly while rapidly swallowing surrounding matter) existing in the early universe. Of these, two objects date from an era when only about 670 million years had passed since the birth of the universe, updating the previous record for the oldest known examples. This is expected to be an important clue for solving the mystery of how such enormous black holes could grow so soon after the universe was born.