V2EX van allen belts

Van Allen Belts

释义 Definition

范艾伦辐射带(Van Allen belts):环绕地球、由地球磁场“捕获”的高能带电粒子(主要是电子和质子)形成的辐射区域。通常指内辐射带外辐射带两部分。该区域会影响卫星、宇航员辐射暴露与航天器电子设备。

发音 Pronunciation

/vn ln blts/

例句 Examples

Satellites must be designed to survive the Van Allen belts.
卫星必须在设计上能够承受范艾伦辐射带的影响。

When the spacecraft crossed the Van Allen belts, its instruments recorded a sharp rise in radiation levels.
当宇宙飞船穿越范艾伦辐射带时,仪器记录到辐射水平显著上升。

词源 Etymology

该名称来自美国空间科学家James Van Allen(詹姆斯范艾伦)。他在20世纪50年代通过“探险者1号(Explorer 1)”等早期卫星任务的数据,证明地球周围存在被磁场束缚的辐射粒子带,因此以其姓氏命名为 Van Allen belts

相关词 Related Words

文学与著作 Notable Works

  • Cosmos(Carl Sagan):以科普叙事方式介绍太阳系与地球空间环境,常提及地球磁场与辐射环境相关概念。
  • Introduction to Space Physics(Kivelson & Russell 编):空间物理经典教材,系统讲解磁层结构与辐射带。
  • Space Physics: An Introduction to Plasmas and Particles in the Heliosphere and Magnetospheres(May-Britt Kallenrode):涵盖辐射带、带电粒子与空间天气等主题。
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