Stories indexed under: Observatory
Total: 1
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IceCube Neutrino Observatory reports first evidence for extraterrestrial high-energy neutrinos
May 15, 2013
A massive telescope in the Antarctic ice reports the detection of 28 extremely high-energy neutrinos that might have their origin in cosmic sources. Two of these reached energies greater than 1 petaelectronvolt (PeV), an energy level thousands of times higher than the highest energy neutrino yet produced in a manmade accelerator.