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Hubble's law

Syllabification: Hub·ble's law
Astronomy

Definition of Hubble's law in English:

A law stating that the redshifts in the spectra of distant galaxies (and hence their speeds of recession) are proportional to their distance.
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.

Definition of Hubble's law in:

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