The IceCube laboratory detected the high-energy neutrino in September 2017
Astronomers traced the subatomic particle to its origin 4 billion light years away.The high energy neutrino – the first of its type ever detected – was traced four billion light years to its source, a distant elliptical galaxy with a giant black hole at its heart emitting jets of light and radiation aimed directly at Earth. Neutrinos are nearly massless subatomic particles that have no electric charge and therefore interact rarely with their surroundings.Known as a blazar, this galaxy was the smoking gun that led astronomers to finally unravel the 100 year-old riddle around the origin of high energy cosmic rays.Discovering the ghost-like particle, which burst from the 'blazar' before the Earth formed, could provide an entirely new way of looking at the cosmos.Beyond cosmic rays, the latest finding could provide a new way of peering into the depths of the universe.Neutrinos are the so-called third messenger, following light protons and gravitational waves. News of the detection sent astronomers into a frenzy of activity as telescopes were quickly pointed in the suggested direction.The search led to the discovery of a blazar, a special class of galaxy containing a supermassive black hole four billion light years away, left of the Orion constellation.scientists say that Being able to detect high-energy neutrinos will provide yet another window on the universe.

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