Hubble-s-constant meaning

hŭbəlz
A ratio used in Hubble's law to express the rate of apparent expansion of the universe, equal to the velocity at which a typical galaxy is receding from Earth divided by its distance from Earth, approximately 71 kilometers per second per megaparsec.
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(singular only) Alternative spelling of Hubble constant.
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Origin of hubble-s-constant

  • After Edwin Powell Hubble

    From American Heritage Dictionary of the English Language, 5th Edition