2 days Astronomers find oldest, most distant quasar and black hole in universe Inquirer
SEOUL --- The oldest and most distant quasar and black hole in the universe have been discovered, a team of astronomers led by the University of Arizona said Tuesday. The newly discovered quasar and black hole are 13 billion light-years from Earth. As the most energetic objects in the universe, quasars are tremendously big and bright celestial objects that are located at the center of galaxies. Dubbed J0313-1806, the most distant quasar dates back to 670 million years after the Big Bang, when the universe was only 5 percent of its current age, the astronomers said. "The most distant quasars ... more