Cosmic rays — fast-moving, high-energy nuclei — pervade the Universe. We know that the lower-energy variety that we detect on Earth is funnelled by the solar wind. However, higher-energy cosmic […]
Tag: neutrinos
Neutrinos from a galaxy far away
Nature 520, 266 (16 April 2015) doi:10.1038/520266b Two of the most energetic neutrinos detected by a telescope in the Antarctic may have come from the cores of distant galaxies. Neutrinos […]