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    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      COMET 1913f (DELAVAN).—Delavan's comet is becom, ing a less favourable object for evening observation owing to the diminution of its declination and its ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      THE COMET OF 1664.—“Cette comète de 1664,” remarks Pingré, in introducing the description of it given in his “Cométographie,” “a singulièrenlent exercé les presses des Imprimeurs ...

    • Scientific Serials - Nature

      Nature· 21 hours ago

      The author fully discusses the theory of those Jwho argue that the more copious snowfall required for a more extended system of glaciation implied more atmospheric moisture, greater evaporation ...

    • Societies and Academies - Nature

      Nature· 21 hours ago

      M. P. Appell in the chair. Remarks by M. Edmond Perrier on the life work of the late M. Jean P rez. P. Puiseux: The photographs of the Delavan comet 1913f, obtained at the ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      Hartwig at Strasburg on September 29, and Mr. Lewis Swift at Rochester, New York, on October 11. Prof. Winnecke had conjectured that Hartwig's comet might have been identical ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      A NEW COMET (1907b).—A telegram from the Kiel Centraistelle announces the discovery of the second comet of the present year by Mr. Mellish, at Madison, ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      COMET 1907a.—No. 4165 (March 26) of the Astronoinische Nachrichten contains a new set of elements and an ephemeris for comet; 1907 (Giacobini), calculated ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      A COMET ON THE ECLIPSE PHOTOGRAPHS OF 1893.—A year ago Prof. Schaeberle announced that the eclipse photographs taken by him at Chile in April 1893, showed a cometlike structure ...

    • The Sunward Tail of Comet Arend-Roland - Nature

      Nature· 21 hours ago

      COMET AREND-ROLAND (1956h) displayed in late April a remarkable spike-like tail directed roughly towards the Sun. This tail developed from a diffuse fan-shape on April 22 ...