V2EX space-time

Space-Time

定义 Definition

space-time时空;物理学中把空间(space)时间(time)视为一个统一的四维整体(时空连续体),事件的位置与发生时间共同构成其在时空中的“坐标”。(在相对论中尤为核心;在不同语境下也可泛指“空间与时间的整体框架”。)

发音 Pronunciation (IPA)

/spes tam/

例句 Examples

Space-time is not the same everywhere.
时空并不是在任何地方都完全相同。

According to Einstein’s theory, massive objects can curve space-time, which affects how light and planets move.
根据爱因斯坦的理论,质量巨大的物体会使时空弯曲,从而影响光和行星的运动方式。

词源 Etymology

“space-time”是由 spacetime 组合而成的复合词,用来表达“空间与时间不可分割地联系在一起”的观点。该概念在20世纪相对论的发展中被系统化,尤其与闵可夫斯基(Minkowski)提出的“四维时空”表述密切相关,使“时间”不再只是独立背景,而成为与空间一起参与物理规律的结构。

相关词 Related Words

文学与著作 Literary Works

  • Relativity: The Special and the General Theory Albert Einstein(科普性阐述相对论思想的经典著作,常讨论“时空”框架)
  • Gravitation Misner, Thorne & Wheeler(广义相对论重要教材,频繁使用“space-time/ spacetime”)
  • A Brief History of Time Stephen Hawking(面向大众的宇宙学著作,涉及时空与引力等概念)
  • The Fabric of the Cosmos Brian Greene(以通俗方式讲解时空、维度与现代物理学)
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