Monthly Notices of the Royal Astronomical Society, Volum 61Priestley and Weale, 1901 |
Andre utgaver - Vis alle
Monthly Notices of the Royal Astronomical Society, Volum 68;Volumer 1907-1908 Royal Astronomical Society Uten tilgangsbegrensning - 1908 |
Monthly Notices of the Royal Astronomical Society, Volum 53;Volumer 1892-1893 Royal Astronomical Society Uten tilgangsbegrensning - 1893 |
Vanlige uttrykk og setninger
angle appear April Astrographic Astronomical band bright bands brighter Cape Catalogue centre circle colour comet comparison stars corona correction curve Cygni dark David Gill determined diameter disc distance double stars E. E. Barnard eclipse Epoch equations equatorial exposure faint fainter given Greenwich Harvard heliometer hydrogen lines Innes instrument July latitude Leonids Libration Lick Observatory limb magnetic magnitude March March 25 maximum mean measures meridian Meteorological meteors micrometer minimum Monthly Notices Moon Moon's motion nebula nights Nova Persei observations obtained occultations parallax period Persei photographs planet plate position probable error Professor Radcliffe Observatory radiant refractor right ascension rotation Royal Observatory scale screw seen Sir David Gill Society solar spectra spectroscope spectrum spots star of mag sunspot Swift taken tion transit variable stars variation zenith ΙΟ ΟΣ
Populære avsnitt
Side 179 - The only remedy is a most serene and quiet Air, such as may perhaps be found on the tops of the highest Mountains above the grosser Clouds.
Side 182 - On the Antiquity of Intellectual Man from a Practical and Astronomical Point of View.
Side 215 - Application was made to the Government Grant Committee of the Royal Society for a grant of £250 for the hire of a vessel.
Side 292 - ... never sleeping policemen that scan the heavens unceasingly while the astronomer may sleep, and report in the morning every case of irregularity in the proceedings of the heavenly bodies.
Side 282 - ... we suppose that a great number of variable stars, of the form described above and rotating around parallel axes, were distributed over the heavens, it is evident that those seen in the direction of their axes would not appear to vary, since as they turned they would always present the same portion of their surfaces to the observer. Those at right angles to this direction would show the greatest variation, and, other things being equal, would appear to be more numerous since they would be more...
Side 274 - 1900, The Diameter of the Asteroid Juno (3), Determined With the Micrometer of the 40-Inch Refractor of the Yerkes Observatory, With Remarks on Some of the Other Asteroids.
Side 270 - ... Belgium, Canada, Cape Colony, Denmark, France, Germany, Greece, Great Britain, Hungary, India, Italy, Japan, Mexico, Natal, the Netherlands, New South Wales, New Zealand, Norway, Queensland, Sweden, Switzerland, and the United States. At this conference, among other resolutions, it was decided: 1. That it is desirable to compile and publish, by means of some international organization, a complete catalogue of scientific literature, arranged both according to authors
Side 41 - ... would seem, in the face of such evidence, that the supposition that such agreement is probably only accidental coincidence can. scarcely be maintained, and there would appear to be no escape from the conclusion that such close correspondence, both in period and activity, indicates a more or less direct relation between the two phenomena or otherwise the existence of some common cause producing both.
Side 40 - Professor Newcomb mentions, however, no length of period for this cycle, but speaking of its origin he remarks, " whether the cause of this cycle is to be sought in something external to the Sun or within •