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 xvi
... Passages of the Ring's Plane through the Sun between the years 1600 and 2000 • · • XI . - For Determining the Sun's Diurnal Path on the Saturnian Heavens at the Saturnian Solstices and Equinoxes , the Appearance of the Rings , and the ...
... Passages of the Ring's Plane through the Sun between the years 1600 and 2000 • · • XI . - For Determining the Sun's Diurnal Path on the Saturnian Heavens at the Saturnian Solstices and Equinoxes , the Appearance of the Rings , and the ...
Страница 8
... passages than by any other method . For , in the first place , the interval between successive passages of his ascending node ( or of his descending node ) is constant , being in fact no other than his sidereal period . In the second ...
... passages than by any other method . For , in the first place , the interval between successive passages of his ascending node ( or of his descending node ) is constant , being in fact no other than his sidereal period . In the second ...
Страница 9
... passage ; it is plain that this angle , Q'N qʻ or RN'r , is the same as the angle P's p ' , whose value is required . This method is inapplicable in the actual case , but a very simple method may still be employed . After passing a node ...
... passage ; it is plain that this angle , Q'N qʻ or RN'r , is the same as the angle P's p ' , whose value is required . This method is inapplicable in the actual case , but a very simple method may still be employed . After passing a node ...
Страница 11
... passage of the ascending node ) , or on the side farthest from the ecliptic . The loop gradually developes : at first , the progressive path intersects the former retrograde path ; in each successive loop the point of intersection falls ...
... passage of the ascending node ) , or on the side farthest from the ecliptic . The loop gradually developes : at first , the progressive path intersects the former retrograde path ; in each successive loop the point of intersection falls ...
Страница 46
... no other disappearance at this passage of the ring's plane across the orbit of the earth . See Chapter IV . glasses , he must again and again have brought the 46 SATURN AND ITS SYSTEM . Perplexed by Saturn's Changes of Form.
... no other disappearance at this passage of the ring's plane across the orbit of the earth . See Chapter IV . glasses , he must again and again have brought the 46 SATURN AND ITS SYSTEM . Perplexed by Saturn's Changes of Form.
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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