V2EX tidal disruption

Tidal Disruption

定义 Definition

tidal disruption(潮汐撕裂/潮汐瓦解):指当天体(如恒星、彗星或行星)靠近更大质量天体(尤其是黑洞)时,由于两端受到的引力差(潮汐力)过大而被拉伸并撕裂的过程;在黑洞附近常引发潮汐瓦解事件(tidal disruption event, TDE),伴随强烈电磁辐射耀发。

发音 Pronunciation (IPA)

/tadl dsrpn/

例句 Examples

A star can be torn apart by tidal disruption near a black hole.
一颗恒星在黑洞附近可能会因潮汐撕裂而被撕碎。

Astronomers detected a bright flare that may have been caused by tidal disruption of a star passing too close to the galaxy’s central black hole.
天文学家探测到一次明亮的耀发,可能是由一颗恒星过于接近该星系中心黑洞而发生潮汐瓦解所引起的。

词源 Etymology

tidal 源自 “tide(潮汐)”,与月球和太阳引力造成的海潮现象相关;在天体物理中引申为“由引力差造成的拉伸效应(潮汐力)”。disruption 来自拉丁语词根,含“打断、破坏、瓦解”之意。合在一起强调:并非“碰撞”导致破坏,而是引力梯度(两端受力不同)把天体“拉碎”。

相关词 Related Wrds

文学与著作 Literary Works

  • Martin Rees:1988 年关于恒星被超大质量黑洞潮汐瓦解的经典论文(提出并系统讨论 TDE 机制),常被后续研究引用。
  • Katie Mack《The End of Everything (Astrophysically Speaking)》:以科普方式描述恒星在强引力环境下被撕裂的情景(涉及潮汐瓦解/撕裂的概念)。
  • Kip S. Thorne《Black Holes and Time Warps》:介绍黑洞物理与强引力效应时,会讨论潮汐力导致的拉伸与破坏(与 tidal disruption 相关的核心机制)。
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