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Our Astronomical Column - Nature
Nature· 1 day agoCOMET 1840 (II.).—In Astronomische Nachrichten, No. 2,079, Dr. Kowalczyk, of Warsaw, publishes his investigation of a definitive orbit for the comet discovered ...
Suggested Observations of Halley's Comet - Nature
Nature· 1 day agoTHE Astronomical and Astrophysical Society of America, through its comet committee, is soliciting cooperation in the observation of Halley's comet at the ...
Our Astronomical Column - Nature
Nature· 1 day agoHALLEY'S COMET, 1909c.—As was briefly stated on p. 239 of our issue of last week, M. Deslandres has added to the large reflector at Meudon a finder, fitted with a moving reticle ...
Societies and Academies - Nature
Nature· 1 day agoAcademy of Sciences, October 13.—M. Hermite in the chair.—M. Tisserand presented the second volume of his “Traité de Mécanique Céleste,” and noted that it deals principally with two subjects—viz ...
Societies and Academies - Nature
Nature· 1 day agoAcademy of Sciences, October 20.—M. Duchartre in the chair.—Study of the movement of a double cone which appears to rise, though it really descends, on an inclined plane, by M. H. Resal. A double ...
Societies and Academies - Nature
Nature· 1 day agoObservations in mines after explosions have been said to indicate that the rocks of which the walls are con stituted possess a specific property by virtue of which they retain carbon monoxide ...
Societies and Academies - Nature
Nature· 1 day agoLewy.—Researches on the composition of French and foreign wheat, by MM. Aimé Girard and E. Fleurent.—Observations on the periodic Brooks' comet (1889v-1896c), and the comets ...
Prize Subjects of the Paris Academy of Sciences - Nature
Nature· 1 day agoTHE following subjects for prizes are announced by the Academy for 1897 and following years; prizes for years other than 1897 are specially indicated. In Geometry, the Grand Prize in the Mathematical ...
Our Astronomical Column - Nature
Nature· 1 day agoCOMET PERRINE 1896, DECEMBER 8.—In this column for December 31, 1896, we referred to the striking similarity between the elements of the comet discovered ...
Our Astronomical Column - Nature
Nature· 1 day agoRELATIVE DENSITIES OF TERRESTRIAL PLANETS.—Attention is drawn to an interesting relation between the diameters and densities of the terrestrial planets, by E. S. Wheeler (Science, April 19).
