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A 4 Billion Light-Year Journey Ends At The South Pole

12 Jul 2018, 15:01 UTC
A 4 Billion Light-Year Journey Ends At The South Pole
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Ghostly particles called neutrinos can travel nearly unimpeded across the universe. For the first time, physicists have been able to pinpoint the origin of a powerful neutrino.(Image credit: ESA/NASA/the AVO project/Paolo Padovani)

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