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  1. Oxford Dictionary

    Hubble, Edwin Powell

    • IPA[ˈhʌb(ə)l]

    英式

    • ph.
      (1889–1953), American astronomer. He studied galaxies and devised a classification scheme for them. In 1929 he proposed what is now known as Hubble's law with its constant of proportionality (Hubble's constant).