I was surprised to learn that as well. Apparently it’s a 20,000 year cycle. https://news.mit.edu/2019/study-regulating-north-african-climate-0102 https://news.

I was surprised to learn that as well. Apparently it’s a 20,000 year cycle. https://news.mit.edu/2019/study-regulating-north-african-climate-0102 https://news.mit.edu/2019/study-regulating-north-african-cli...