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单词 Hubble's constant
释义

Hubble constant /hubˈl konˈstənt/ or Hubble's constant /hubˈlz/ (astronomy)

noun

The constant factor in Hubble's law that the velocity of a galaxy is proportional to its distance from us, giving the rate of increase of velocity with distance in the expanding universe

ORIGIN: EP Hubble (1889–1953), US astronomer
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更新时间:2026/5/27 23:23:49