English Diagram (cutaway) of the two VanAllen radiation belts around Earth: the inner belt (red) dominated by protons and the outer one (blue) by electrons
1.0falsefalse English Diagram of OV1-13 orbit with respect to VanAllen radiation belts. applies to jurisdiction: United States of America determination
radiation detection experiment designed by Dr. James VanAllen and discovered the VanAllen Radiation Belt. determination method: work of the federal government