noun
Van Allen radiation belt
Scientific term for the radiation belts around Earth. Used in astronomy and space science contexts.
バンアレン帯は地球を取り巻く放射線の強い領域です。
The Van Allen belts are regions of intense radiation surrounding the Earth.
From English 'Van Allen belt', named after physicist James Van Allen. The Japanese term combines the katakana rendering of the name with 帯 (belt/zone).