Discovery of two supermassive black holes have left scientists absolutely baffled

Containing an estimated 100–400 billion stars, our barred spiral galaxy, the Milky Way, intertwines with interstellar dust to create a brilliantly complex bridge of light sprinkled across the sky. Credit: NOIRLab/Cover Images Astronomers have discovered the oldest known pair of closely spaced quasars in our universe. The two actively feeding supermassive black holes date back to just 900 million…