V2EX orbital plane

Orbital Plane

释义 Definition

轨道平面:天体(如行星、卫星或航天器)绕另一物体运行时,其轨道所在的几何平面。常用来描述轨道相对于参考平面(如黄道面、赤道面)的倾角关系。另有引申用法可指“轨道层面/轨道相关领域”,但天文学与航天语境最常见。

发音 Pronunciation

/rbtl plen/

例句 Examples

The satellite stays close to Earth’s orbital plane.
这颗卫星保持在接近地球轨道平面的范围内运行。

Because the two planets’ orbital planes are tilted differently, their orbits rarely cross in a way that allows an easy transfer.
由于两颗行星的轨道平面倾角不同,它们的轨道很少以便于转移轨道的方式交会。

词源 Etymology

orbital 来自 orbit(轨道)+ 形容词后缀 -al(“……的”),表示“轨道的”;plane 来自拉丁语 planus(平的),在几何学中指“平面”。合起来即“轨道所在的平面”。

相关词 Related Words

文学与作品 Literary Works

  • Cosmos(Carl Sagan)科普叙述中常用到轨道、倾角与轨道平面等术语来解释行星运动。
  • A Brief History of Time(Stephen Hawking)涉及天体运动与引力时,常出现与轨道平面相关的表达与概念。
  • Orbital Mechanics for Engineering Students(Howard D. Curtis)经典航天工程教材,系统使用“orbital plane”等术语讨论轨道几何与机动。
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