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Rare books including first editions and copies in fine bindings related to science, medicine, and natural history.

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  1. Distribution of Luminosity in Elliptical Nebulae.

    Distribution of Luminosity in Elliptical Nebulae.

    Contributions from the Mount Wilson Observatory, No. 398.
    First separate edition. This article builds on Hubble's work at Mt. Wilson in 1923 and 24, in which he discovered that the Milky Way was not, as previously believed, the extent of the universe, but just one galaxy among many. Hubble had shown that many "nebulae" were in fact galaxies filled with stars, but at the time this paper was published it was not clear whether the elliptical variety were true nebulae (clouds of gas and dust), or larger galaxies. Learn More
    £1,250

    Date of Publication: 1930

    Published: Washington, DC

    Stock Code: 88480

    Reserve

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