Missing gamma rays cast doubt on cosmic-ray origins
Nearby supernova appears to have produced fewer high-energy protons than expected
Read article: Missing gamma rays cast doubt on cosmic-ray origins
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Sam Jarman is a freelance science writer based in the UK. He has written for Physics World since 2017 and contributes regularly to publications including APS Physics Magazine, Phys.org and Philosophical Magazine, with news and feature articles spanning many different areas of physics. He also writes official press releases on behalf of Springer Nature and Elsevier physics journals.
Nearby supernova appears to have produced fewer high-energy protons than expected
Read article: Missing gamma rays cast doubt on cosmic-ray origins
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