Saturn and Its System: Containing Discussions of the Motions (real and Apparent) and Telescopic Appearance of the Planet Saturn, Its Satellites, and Rings; the Nature of the Rings; the Great Inequality of Saturn and Jupiter; and the Habitability of Saturn. To which are Appended Notes on Chaldæan Astronomy, Laplace's Nebular Theory, and the Habitability of the Moon; a Series of Tables with Explanatory Notes; and Explanations of Astronomical TermsLongman, Green, Longman, Roberts, & Green, 1865 - 252 страници |
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Страница xxi
... horizon , and when his lustre is dimmed by the glory of the rising or set- ting sun , probably escaped the notice of astronomers , or was at least not recognised as a planet * till long after even Saturn's dull orb had been discovered ...
... horizon , and when his lustre is dimmed by the glory of the rising or set- ting sun , probably escaped the notice of astronomers , or was at least not recognised as a planet * till long after even Saturn's dull orb had been discovered ...
Страница 1
... horizon , the closest observation can detect no change in their relative positions . On the following night the stranger is again seen close to Regulus . But now its position seems slightly changed : -it is no longer due north of ...
... horizon , the closest observation can detect no change in their relative positions . On the following night the stranger is again seen close to Regulus . But now its position seems slightly changed : -it is no longer due north of ...
Страница 162
... horizon at which the sun rises and sets , the elevation of the sun at noon , the diurnal arc traversed by the sun , and the length of the Saturnian day , are given for the equinoxes and solstices of latitudes 0 ° , 5 ° , 10 ° , ..... 60 ...
... horizon at which the sun rises and sets , the elevation of the sun at noon , the diurnal arc traversed by the sun , and the length of the Saturnian day , are given for the equinoxes and solstices of latitudes 0 ° , 5 ° , 10 ° , ..... 60 ...
Страница 164
... horizon , and the azimuths on the horizon of declination - parallels having given meridian - altitudes , may be supposed to refer to the diurnal paths of the sun at different seasons in given latitudes , where the given azimuths and ...
... horizon , and the azimuths on the horizon of declination - parallels having given meridian - altitudes , may be supposed to refer to the diurnal paths of the sun at different seasons in given latitudes , where the given azimuths and ...
Страница 169
... horizon , and what are the apparent outlines of such parts on the celestial sphere , for different latitudes on Saturn's surface . We may also , for the present , neglect the refractive effects of Saturn's atmosphere . In fig . 2 ...
... horizon , and what are the apparent outlines of such parts on the celestial sphere , for different latitudes on Saturn's surface . We may also , for the present , neglect the refractive effects of Saturn's atmosphere . In fig . 2 ...
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Често срещани думи и фрази
angle aphelion appear ascending node astronomers atmosphere attractions body breadth celestial sphere Chaldæans circle conjunction considered corresponding Crown 8vo dark ring density determined diameter diminish disturbing division eccentricity ecliptic Edition effects ellipse equal equatorial equinox figure heliocentric hemisphere Herschel horizon inclined increase inner edge inner satellites interval Jupiter Jupiter's latitude less line of nodes line of sight longitude lunar major axis mean distance meridian miles moon moon's move nearly northern observer on earth opposition outer edge outer ring outline parallel path perihelion period phenomena plane of Saturn's planetary Plate pole position present quadrature R. A. Proctor represent respectively retrograde motion ring's plane rotation satellites Saturn Saturn's disc Saturn's globe Saturn's orbit Saturn's ring Saturnian seen shadow sidereal sidereal period solar southern spheroid stars sun's centre supposed synodical revolution Table telescope tion variations velocity vernal equinox vis viva vols Woodcuts