Dating storms on the sun with tree rings on earth
Dendrochronology has long been used, and refined, to investigate environmental conditions at various times throughout the past. Now, the technology is being used to investigate the history of sun storms, with hopes of using that history to determine more precise dates of important periods of human history.
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Traces of sun storms locked in tree rings could confirm ancient historical dates
By Tim Radford
The Guardian
August 16, 2016