Definition of Hubble's law in English:

Hubble's law

Syllabification: Hub·ble's law
Astronomy
  • A law stating that the redshifts in the spectra of distant galaxies (and hence their speeds of recession) are proportional to their distance.
    More example sentences
    • Next he talked a bit about Hubble's law; that the velocity at which a galaxy is moving is proportional to its distance away from us.
    • Doesn't that contradict Hubble's law, which states that distance is correlated with age?
    • One is the red shift of light coming from remote galaxies which is usually attributed to Doppler's effect and obeys Hubble's law.

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