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 xii
... Actual Changes observed from the Earth Effect of the Inclination of Saturn's Orbit to the Ecliptie . 83 Disappearances and Reappearances of the Ring explained . 2588 79 81 The Shadow of the Rings on the Planet , and xii CONTENTS .
... Actual Changes observed from the Earth Effect of the Inclination of Saturn's Orbit to the Ecliptie . 83 Disappearances and Reappearances of the Ring explained . 2588 79 81 The Shadow of the Rings on the Planet , and xii CONTENTS .
Страница 6
... actual relations of the velocities and distances of the planets , † increase prevails over decrease , and a superior planet , if It must be remembered that the arcs E " E " " and p''p " " ' are supposed to be very small . A planet is ...
... actual relations of the velocities and distances of the planets , † increase prevails over decrease , and a superior planet , if It must be remembered that the arcs E " E " " and p''p " " ' are supposed to be very small . A planet is ...
Страница 12
... actual motion , when at p ' , is exactly the same in amount , whether viewed from E ' or from s . Now it is found that Saturn's apparent daily motion at this time is slightly greater than 2 ' . His daily motion about the sun is ...
... actual motion , when at p ' , is exactly the same in amount , whether viewed from E ' or from s . Now it is found that Saturn's apparent daily motion at this time is slightly greater than 2 ' . His daily motion about the sun is ...
Страница 5
... actual position at this moment . We have , then , only to compare the lengths of the lines s p ' and SE by simple measurement , to determine the relation between the distances of Saturn and the earth from the sun ; or we can obtain the ...
... actual position at this moment . We have , then , only to compare the lengths of the lines s p ' and SE by simple measurement , to determine the relation between the distances of Saturn and the earth from the sun ; or we can obtain the ...
Страница 7
... actual apparent movements are not of this nature . He follows a looped and twisted course , as shown in Plates II . and III .; his retrogressive path lying sometimes above and sometimes below his progressive path , and vice versâ . It ...
... actual apparent movements are not of this nature . He follows a looped and twisted course , as shown in Plates II . and III .; his retrogressive path lying sometimes above and sometimes below his progressive path , and vice versâ . It ...
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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