Found: 3

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  • Light-Year versus Parsec.

    Published in:
    Nature, 1928, v. 121, n. 3055, p. 789, doi. 10.1038/121789a0
    By:
    • CURTIS, HEBER D.
    Publication type:
    Article

  • Definitive orbit of comet 1898 VI.

    Published in:
    Astronomische Nachrichten, 1909, v. 182, n. 21, p. 337, doi. 10.1002/asna.19091822102
    By:
    • Curtis, Heber D.;
    • Richardson, Laura Shearer
    Publication type:
    Article

  • Observations of Halley's comet 1909 c.

    Published in:
    Astronomische Nachrichten, 1911, v. 188, n. 18, p. 313, doi. 10.1002/asna.19111881806
    By:
    • Curtis, Heber D.
    Publication type:
    Article