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Astroparticle physics

Astroparticle physics

IceCube identifies four galaxies as likely sources of cosmic rays

26 Feb 2020
IceCube Lab
The Sun setting behind the IceCube Lab at the South Pole. (Courtesy: Kathrin Mallot, IceCube/NSF)
A huge observatory at the South Pole has identified four galaxies as likely sources of cosmic rays.

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Sam Jarman is a science writer based in the UK
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