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      Space & Physics

      Another Astronomical Puzzle Solved

      The Problem of the Nature of the Peculiar "Planetary Nebulae" Gives Way to the Modern Astrophysicist

      • By Henry Norris Russell on May 1, 1928
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      ABOUT THE AUTHOR(S)

        Recent Articles by Henry Norris Russell

        • Galactic Gas Clouds
        • Anthropocentrism's Demise
        • Planet Companions
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