Min personlige tilnærming.

Ref. JGR, NOAA, NASA, SNL, Spaceweather, Bioinitiative, "The Invisible Rainbow" - Arthur Firstenberg. 

Journal of Geophysical Research - Space Physics:

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018JA025935

Solar cycle progression:

https://www.swpc.noaa.gov/products/solar-cycle-progression

Bioinitiative Report 2012:

https://bioinitiative.org/table-of-contents/

Hør også kjappis 22 til 28. Ta en lytt!

(Rettelse: 06:35, "12 mnd" skal være "2 mnd".)