Scientists have discovered 400 previously hidden black holes with the help of the National Aeronautics and Space Administration’s Chandra X-ray Observatory.
February 16, 2023
Scientists have discovered 400 previously hidden black holes with the help of the National Aeronautics and Space Administration’s (NASA) Chandra X-ray Observatory. These super-massive black holes possess masses that are millions of times the mass of the sun and are located in gal