Five gamma-ray blazars set new distance record
Bright galaxies in early universe suggest rapid growth of supermassive black holes
![gamma-ray blazars](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/02/020117_ec_blazars_free.jpg?fit=860%2C460&ssl=1)
FAR OUT Scientists have detected the five farthest gamma-ray blazars known. These bright galaxies, powered by supermassive black holes, were spotted using NASA’s Fermi Gamma-ray Space Telescope. Locations of the five blazars are marked on an image of the sky taken in gamma rays.
Scott Wiessinger/NASA’s Goddard Space Flight Center