"The sun is predicted to reach its ‘solar minimum’ low point in 2019 or 2020, according to Nasa’s calculations.
Perhaps the most famous period of low sunspot activity was the Maunder Minimum of the 17th century."
https://metro.co.uk/2018/11/16/a-mini-ice-age-could-be-on-the-way-and-its-going-to-get-very-very-cold-8146529/
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