Extragalactic and galactic sources: New evidence, new challenges, new opportunities
Recent data bring in sharper focus the issue of relative contributions of galactic and extragalactic sources of ultrahigh-energy cosmic rays. On the one hand, there is some new evidence, from gamma-ray observations of blazars, that cosmic rays are, indeed, accelerated in AGNs. On the other hand, rec...
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2013-06-01
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Series: | EPJ Web of Conferences |
Online Access: | http://dx.doi.org/10.1051/epjconf/20135306006 |