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dbpedia:Cosmic_ray
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Cosmic rays are immensely high-energy radiation, mainly originating outside the Solar System. They may produce showers of secondary particles that penetrate and impact the Earth's atmosphere and sometimes even reach the surface. Composed primarily of high-energy protons and atomic nuclei, they are of mysterious origin. Data from the Fermi space telescope (2013) has been interpreted as evidence that a significant fraction of primary cosmic rays originate from the supernovae of massive stars.
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dbpedia:Radiation_hardening dbpedia:Alpha_Magnetic_Spectrometer dbpedia:ECC_memory dbpedia:Cosmic-ray_observatory
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