V2EX general-relativity

General Relativity

定义 Definition

广义相对论:爱因斯坦提出的引力理论,认为“引力”不是一种传统的力,而是质量与能量使时空弯曲所呈现的效应;物体沿着弯曲时空中的“最短路径”(测地线)运动。它能解释水星近日点进动、引力透镜、引力红移,以及黑洞与引力波等现象。(另有“狭义相对论”,主要讨论匀速运动与光速不变。)

发音 Pronunciation (IPA)

/denrl rltvti/

例句 Examples

General relativity explains gravity as the curvature of spacetime.
广义相对论把引力解释为时空的弯曲。

According to general relativity, light can bend as it passes near a massive object, creating gravitational lensing that helps astronomers study distant galaxies.
根据广义相对论,光在接近大质量天体时会发生偏折,形成引力透镜效应,帮助天文学家研究遥远星系。

词源 Etymology

relativity 源自拉丁语 relativus(“相关的、相对的”),经由 relate(“关联”)发展而来;general 表示“普遍的、推广的”。“广义相对论”之“广义”,强调该理论把相对性原理从狭义相对论的惯性参考系推广到包含引力与加速的更一般情形,并以几何方式描述引力。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Albert Einstein, “Die Grundlage der allgemeinen Relativittstheorie”(1916)
  • Arthur S. Eddington, **Space, Time and Gravitation**(1920)
  • Stephen Hawking, **A Brief History of Time**(《时间简史》)
  • Kip S. Thorne, **Black Holes and Time Warps**(《黑洞与时间弯曲》)
  • Sean Carroll, **Spacetime and Geometry**(《时空与几何》)
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