V2EX magnetosphere

Magnetosphere

定义 Definition

磁层:围绕行星(尤其是地球)的空间区域,由行星磁场主导,能够偏转和俘获来自太阳风的带电粒子,从而在一定程度上保护大气与地表环境。(该词也可用于其他具有磁场的天体。)

发音 Pronunciation (IPA)

/mnitsfr/

例句 Examples

The magnetosphere protects Earth from harmful solar wind.
磁层保护地球免受有害太阳风的影响。

As the solar storm intensified, instruments detected disturbances rippling through the magnetosphere and disrupting radio signals at high latitudes.
随着太阳风暴加剧,仪器探测到磁层内的扰动呈波纹状传播,并在高纬度地区干扰了无线电信号。

词源 Etymology

magnetosphere 由 **magneto-**(与“磁”有关,源自希腊语 magnētis,意为“磁石”)和 -sphere(“球体/范围”,源自希腊语 sphaira)构成,字面意思是“磁的球形区域/范围”。该术语在20世纪航天与空间物理发展中得到广泛使用,用于描述行星周围受磁场控制的空间环境。

相关词 Related Words

文学作品与著名文本 Literary Works

  • James D. Watson (ed.), From the Earth to the Moon and Beyond(科普与航天相关文集,常见于空间环境语境中):在讨论地球空间环境与太阳风相互作用时会出现 magnetosphere
  • NASA 官方科普文章与任务资料(如关于 THEMIS、MMS 等任务的介绍文本):频繁使用 magnetosphere 来描述观测对象与研究区域。
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