neutrino tagged posts

Artist’s impression of the active galactic nucleus. The supermassive black hole at the center of the accretion disk sends a narrow high-energy jet of matter into space, perpendicular to the disc. Credit: DESY, Science Communication Lab

Scientists trace a single neutrino back to a galaxy billions of light years away. Using an internationally organised astronomical dragnet, scientist have for the first time located a source of high-energy cosmic neutrinos, that travel billions of light years through the universe, flying unaffected through stars, planets and entire galaxies. The joint observation campaign was triggered by a single neutrino that had been recorded by the IceCube neutrino telescope at the South Pole, on 22 September 2017...