In 1953, he detected what they identified as ‘delicate’ radiation – radiation which could be a combination of charged particles and X-ray photons, termed so mainly because it was conveniently absorbed from the environment – from the auroral locations previously mentioned sixty km. "The measurements on which the maps are https://radiation-zone-of-the-sun84941.wikimillions.com/3900825/radiation_zone_of_the_sun_an_overview