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Neutrinos may have more kinds of cosmic sources than we thought

Neutrinos may have more kinds of cosmic sources than we thought

26 January 2018

Trillions of neutrinos hit Earth each day, but we don’t know where they come from. A new model shows how many may be made in our atmosphere, our galaxy and beyond
Pierre Auger Observatory

Far-off galaxies are firing rare high-energy cosmic rays at us

21 September 2017

The highest energy particles in the universe hit Earth very rarely, so it took 10 years of data to pinpoint their origin. They’re coming from galaxies far, far away

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