V2EX gravitational-wave

Gravitational Wave

定义 Definition

引力波:由大质量天体(如黑洞或中子星)加速运动、并发生剧烈变化时产生的时空涟漪,以光速向外传播,可被精密探测器(如 LIGO、Virgo)间接测量。该词也常用于泛指相关的天文学观测与研究领域。

发音 Pronunciation

/rvtenl wev/

例句 Examples

Gravitational waves are incredibly hard to detect.
引力波极其难以探测。

In 2015, scientists announced the first direct detection of a gravitational wave from merging black holes, opening a new way to study the universe.
2015年,科学家宣布首次直接探测到来自黑洞并合的引力波,这开启了研究宇宙的新途径。

词源 Etymology

gravitational 来自 gravity(重力),其词根可追溯到拉丁语 gravitas(“沉重、重量”之意);后缀 -al 表示“……的”。wave 源自古英语 wf(与“波动、起伏”相关)。合在一起,字面意思是“与重力有关的波”,在物理学语境中特指“时空的波动”。这一概念与爱因斯坦的广义相对论(20世纪初)密切相关。

相关词 Related Words

文学与著作中的使用 Literary Works

  • Kip S. Thorne, Black Holes and Time Warps: Einstein's Outrageous Legacy(《黑洞与时间弯曲》)
  • Brian Greene, The Fabric of the Cosmos(《宇宙的结构》)
  • Sean Carroll, The Big Picture(《大图景》)
  • Stephen Hawking, A Brief History of Time(《时间简史》;常在相关讨论中提及引力与时空概念,并与引力波话题相连)
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