April 23, 2013

Yesterday, the IceCube neutrino experiment at the South Pole stated that they had found two neutrinos that might have come from outside our galaxy. These two events were discovered in 2012, but weren’t analyzed until now. These neutrinos clocked in energies of more than one petaelectronvolt, which is about 100 million times more energetic than neutrinos released by supernovae. These neutrinos could have been produced by the same source that also produces ultra-high-energy cosmic rays.


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