RADIATION ZONE AROUND EARTH NO FURTHER A MYSTERY

In 1953, he detected whatever they named ‘soft’ radiation – radiation that might be a mix of billed particles and X-ray photons, termed so mainly because it was conveniently absorbed within the atmosphere – within the auroral areas above 60 km.The extended-lived isotopes, specifically ¹³⁷Cs and ⁹⁰Sr, have contaminated the soil in th