File:Time profile of the 774 AD spike in C-14..jpg

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English: The colored dots with error bars show the C-14 data measured in Japanese Sugi (M12) and German (Oak) trees along with the typical profile for the instant production of C-14 (the black curve). The x-axis goes from 770 to 789. Modified after [1].
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Author Isosik

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  1. (2013). "The AD775 cosmic event revisited: The Sun is to blame". Astronomy & Astrophysics 552 (1): L3. DOI:10.1051/0004-6361/201321080.

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22 October 2012

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