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Hubble law


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The law that governs the expansion of the Universe. According to the law, the apparent recession velocity of galaxies is proportional to their distance from the observer. In mathematical terms, v = H0r, where v is the velocity, r the distance, and H0 the Hubble constant. The law was put forward in 1929 by E. P. Hubble.

Subjects: Astronomy and Astrophysics.


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