Hubble's law 
noun Astronomy
A law stating that the red shifts in the spectra of distant galaxies (and hence their speeds of recession) are proportional to their distance.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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