Kenneth Tapping, a researcher at Canada's National Research Council, wants to look for evidence of increased sunspot activity:
"The lack of increased activity could signal the beginning of what is known as a Maunder Minimum, an event which occurs every couple of centuries and can last as long as a century."A "solar hibernation" in the 17th Century "corresponded with a period of bitter cold that began around 1650 and lasted, with intermittent spikes of warming, until 1715.
"Frigid winters and cold summers during that period led to massive crop failures, famine and death in Northern Europe."READ MORE
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