Thirty-one newly discovered ancient quasars are giving scientists their clearest view yet of the universe’s earliest giant black holes. Quasars are among the brightest objects in the universe, shining with the power of supermassive black holes consuming vast amounts of matter. Some are so luminous they outshine entire galaxies, allowing astronomers to see them across [...]from SciTechDaily https://ift.tt/UB7IOE6