A distant blazar has been identified as a source of neutrinos detected in Antarctica


About 3.7 billion years ago, when life was just beginning to take hold on this planet, a neutrino was thrown out of a blazar and launched towards Earth – and it just landed. The ghostly particle was detected by the IceCube Neutrino Observatory in Antarctica and traced back to its distant point of origin with NASA's Fermi Gamma-Ray Space Telescope, helping to confirm the most distant source of neutrinos ever identified.

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Continue Reading Fermi Telescope locates extragalactic source of "ghost particles"



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