Comments on: Do Kepler’s sunspot drawings tell us the length of the solar cycle in the 17th century?

Comments on: Do Kepler’s sunspot drawings tell us the length of the solar cycle in the 17th century? https://behindtheblack.com/behind-the-black/points-of-information/do-keplers-sunspot-drawings-tell-us-the-length-of-the-solar-cycle-in-the-17th-century/ Fri, 26 Jul 2024 16:19:01 +0000 hourly 1 https://wordpress.org/?v=6.9.4