Unknown radio structure detected around brightest known quasar
stronomers have found two large, mysterious objects blasting out of the brightest black hole in the known universe. Discovered in a 1959 survey of cosmic radio wave sources, the supermassive black hole 3C 273 is a quasar – short for quasi-stellar object because the light emitted by these behemoths is bright enough to be mistaken for starlight. While
