Astronomers have uncovered 31 of the oldest known quasars, including the two earliest ever detected, shining from a time when the universe was only about 670 million years old. Powered by supermassive black holes billions of times the Sun’s mass, these incred…
These ancient quasars shouldn't exist so soon after the Big Bang
By system
July 10, 2026 •
49 views
Original source:
Science Daily