| 单词 | Hubble's law |
| 释义 | Hubble constant /hubˈl konˈstənt/ or Hubble's constant /hubˈlz/ (astronomy)nounThe 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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