Links to NASA/Harvard abstracts often do not work.
Instead, Search: Cragg “Solar activity in 1958”
April 19, 20192019-04-192019-04-19http://suspicious0bservers.org/wp-content/uploads/2013/05/SzeroSquare.pngSuspicious0bservers - Earthquakes | Space Weather | Cosmologyhttp://suspicious0bservers.org/wp-content/uploads/2013/05/SzeroSquare.png200px200px
What a find!
Nice, I think that will make a nice B-size plot for my wall.
I was born in 1958, and had done some digging and found out on my birthday my sunspot number (Sept 3) was a whopping 326. 🙂
Thanks for all you do Ben.
Direct link to PDF of “Persiflage on Plagiarism”: https://iopscience.iop.org/article/10.1086/127367/meta