A jet of X-rays from the supermassive black hole in quasar
GB 1428+4217, 12.4 billion light years from Earth, has been detected by NASA’s Chandra X-ray Observatory – the most distant X-ray jet ever observed. 

Giant black holes at the centers of galaxies can pull in matter at a rapid rate producing the quasar phenomenon. The energy released as particles fall toward the black hole generates intense radiation and powerful beams of high-energy particles that blast away from the black hole at nearly the speed of light. These particle beams can interact with magnetic fields or ambient photons to produce jets of radiation. 

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