These belts are shaped like two nested doughnuts. Their measurements alter based on solar exercise and, sometimes, on how we model them. "The measurements on which the maps are based mostly ended up collected in 2021 in an unprecedented German–Ukrainian cooperation during the exclusion zone of Chernobyl", suggests Paulini. This https://radiationzonefacts05937.iamthewiki.com/8751146/everything_about_radiation_zone_of_the_sun