Solar superstorm of AD 774 recorded subannually by Arctic tree rings

Recently, a rapid increase in radiocarbon ((14)C) was observed in Japanese tree rings at AD 774/775. Various explanations for the anomaly have been offered, such as a supernova, a γ-ray burst, a cometary impact, or an exceptionally large Solar Particle Event (SPE). However, evidence of the origin an...

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Publicado no:Nat Commun
Main Authors: Uusitalo, J., Arppe, L., Hackman, T., Helama, S., Kovaltsov, G., Mielikäinen, K., Mäkinen, H., Nöjd, P., Palonen, V., Usoskin, I., Oinonen, M.
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group UK 2018
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Article
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC6113262/
https://ncbi.nlm.nih.gov/pubmed/30154404
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-018-05883-1
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