V2EX orbital stability

Orbital Stability

释义 Definition

orbital stability轨道稳定性。指天体或航天器在引力等作用下,其轨道能在较长时间内保持规律、可预测,不会迅速发散、坍塌或发生失控的显著偏离。(在航天、天体力学中常用;也可泛指“绕行轨道是否稳定”。)

发音 Pronunciation (IPA)

/rbtl stblti/

例句 Examples

Orbital stability is important for satellites.
轨道稳定性对卫星很重要。

Scientists model orbital stability to predict whether a planet’s path will remain regular under the gravitational pull of nearby bodies.
科学家会对轨道稳定性进行建模,以预测在邻近天体引力影响下行星轨道是否仍能保持规律。

词源 Etymology

orbital 来自 orbit(轨道),其根源与拉丁语 orbis(圆、圆环)有关,强调“绕行的圆形路径”。stability 来自拉丁语 stabilis(稳定的),与 stare(站立)同源,含“站得住、不易动摇”之意。合在一起就是“轨道是否站得住、能否长期保持”。

相关词 Related Words

文学与经典著作 Literary Works

  • Philosophi Naturalis Principia Mathematica(Isaac Newton):以引力理论奠定轨道与稳定性问题的基础框架(常以“轨道稳定/不稳定”的讨论出现于相关阐释与后世解读中)。
  • Celestial Mechanics / Mécanique céleste(Pierre-Simon Laplace):系统讨论天体运动与长期稳定性,是“轨道稳定性”概念的重要经典来源。
  • The Feynman Lectures on Physics(Richard Feynman):在讲授引力与轨道现象时涉及稳定/不稳定轨道的思想。
  • Orbital Mechanics for Engineering Students(Howard D. Curtis):工程语境中频繁使用 “orbital stability” 讨论任务轨道、摄动与轨道保持。
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