V2EX cosmic ray

Cosmic Ray

释义 Definition

宇宙射线:来自外层空间的高能粒子(主要是质子、原子核等)或高能辐射,进入地球大气层后会与原子碰撞,产生次级粒子雨;常用于天体物理、粒子物理与辐射环境研究。(也常泛指与宇宙高能辐射相关的现象。)

发音 Pronunciation (IPA)

/kzmk re/

例句 Examples

Cosmic rays are constantly hitting Earth.
宇宙射线一直在不断地撞击地球。

The detector was built deep underground to reduce background noise from cosmic rays and improve measurement accuracy.
该探测器建在地下深处,以减少宇宙射线带来的本底噪声并提高测量精度。

词源 Etymology

cosmic 来自希腊语 kosmos,意为“宇宙、秩序”;ray 在英语中指“射线、光线”。“cosmic ray”这一说法在近代科学语境中用来描述来自太空、能穿透大气并引发粒子级联反应的高能“射线/粒子流”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Thomas Pynchon,《Gravity’s Rainbow》:作品中涉及火箭、技术与战时科学想象,语境里常触及辐射与宇宙/高能现象相关词汇(包括对“cosmic rays”等科学概念的提及)。
  • Primo Levi,《The Periodic Table》:以化学与物质世界为线索的散文作品中,会出现与原子、辐射、自然现象相关的科学词汇(在科学叙述语境中可见“cosmic rays”等概念)。
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