V2EX tidal disruption event

Tidal Disruption Event

定义 Definition

潮汐瓦解事件(TDE):当天体(通常是一颗恒星)过于接近黑洞时,黑洞强大的潮汐引力把恒星拉伸并撕裂(“瓦解”);部分物质被黑洞捕获形成吸积盘,并可能产生短期而明亮的耀发(flare),在光学、紫外、X 射线等波段被观测到。

发音 Pronunciation (IPA)

/tadl dsrpn vnt/

例句 Examples

A tidal disruption event happens when a star gets too close to a black hole.
潮汐瓦解事件发生在恒星过于接近黑洞的时候。

Astronomers used multiwavelength observations to confirm that the sudden flare was caused by a tidal disruption event near the galaxy’s central black hole.
天文学家利用多波段观测证实,这次突然的耀发是由该星系中心黑洞附近的一次潮汐瓦解事件引起的。

词源 Etymology

该术语由三部分构成:tidal(潮汐的,指类似海洋潮汐那样由引力差导致的“拉扯”效应)+ disruption(破坏、瓦解)+ event(事件)。在天体物理语境中,tidal特指“潮汐力(tidal force)”,强调引力在天体不同部位的差异导致拉伸与撕裂。

相关词 Related Words

文学与著名作品 Literary Works & Notable Usage

  • 《The Astrophysical Journal》(《天体物理学期刊》):常以 tidal disruption event 指代与黑洞吸积相关的瞬变源研究。
  • 《Nature》(《自然》)/《Science》(《科学》):在报道黑洞瞬变与多信使天文学观测结果时频繁使用该术语。
  • 科普写作中关于黑洞与吸积的章节(如讨论黑洞如何“吞噬”恒星的段落)也常直接使用 tidal disruption event (TDE) 这一标准名词。
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