Define Hubbles law, Hubble's law (E.P. Hubble; 1925) : The relationship discovered

Define Hubbles law

Hubble's law (E.P. Hubble; 1925): The relationship discovered between radial velocity and distance. The further away a galaxy is away from is, the quicker it is receding away from us. The constant of proportionality is the Hubble constant, H₀. The cause is interpreted as the growth of space time itself.

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