Did you know Sunspots have been more common in the past seven decades than at any time in the last 8,000 yrs?
www.space.com images.google.com physicsworld.com Sergio, read the first link. Tomcat, thanks for the info, I will read it when I get a chance. Bob, I would just refer you to the previous question. Sergio=Dario=? Ben, they explain how they learned about past climates in the first link. Bob, I wasn't really looking for an answer. I…