What Happened to the Sun over 7,000 Years Ago?

ENN
Feb 7, 2017, 10:47 am70 pts
An international team led by researchers at Nagoya University, along with US and Swiss colleagues, has identified a new type of solar event and dated it to the year 5480 BC; they did this by measuring carbon-14 levels in tree rings, which reflect the effects of cosmic radiation on the atmosphere at the time.…

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