#SUNSPOTS: Still rising, Bob Zimmerman BehindtheBlack.com
\n
\n#SUNSPOTS: Still rising, Bob Zimmerman BehindtheBlack.com
\nhttps://behindtheblack.com/behind-the-black/essays-and-commentaries/sunspot-update-the-sun-keeps-its-boom-going/
\n
\n1920