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  1. Oxford Dictionary

    Huggins, Sir William

    • IPA[ˈhʌɡɪnz]

    英式

    • ph.
      (1824–1910), British astronomer. He pioneered spectroscopic analysis in astronomy, showing that nebulae are composed of luminous gas. He discovered the red shift in stellar spectra, attributing it to the Doppler effect and using it to measure recessional velocities.