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 viii
... greater advantages . The celestial sphere is projected from the centre upon the circumscribing dodecahedron ; thus forming twelve pentagonal maps much less distorted near the angles than the Society's maps : and further , by presenting ...
... greater advantages . The celestial sphere is projected from the centre upon the circumscribing dodecahedron ; thus forming twelve pentagonal maps much less distorted near the angles than the Society's maps : and further , by presenting ...
Страница 1
... greater Lion , with the brilliant stars Deneb and Regulus , is in the south - east , slowly rising to the meridian . Near Regulus , about a degree and a half to the north , a strange star is seen , whose dull yellow light contrasts ...
... greater Lion , with the brilliant stars Deneb and Regulus , is in the south - east , slowly rising to the meridian . Near Regulus , about a degree and a half to the north , a strange star is seen , whose dull yellow light contrasts ...
Страница 5
... greater than PP ' . Then it is obvious that the line E'P ' is inclined to the line EP , and that if these two lines are produced they will meet beyond P. Let them be produced , beyond their point of intersection o , to K and K ...
... greater than PP ' . Then it is obvious that the line E'P ' is inclined to the line EP , and that if these two lines are produced they will meet beyond P. Let them be produced , beyond their point of intersection o , to K and K ...
Страница 7
... greater than D + d , ) the apparent velo- city in conjunction is greater than the apparent velocity in opposition . if ( the rest of the figure remaining unchanged ) DISCOVERY OF SATURN . 7 Saturn's Distance and Sidereal Period ...
... greater than D + d , ) the apparent velo- city in conjunction is greater than the apparent velocity in opposition . if ( the rest of the figure remaining unchanged ) DISCOVERY OF SATURN . 7 Saturn's Distance and Sidereal Period ...
Страница 8
... greater than in the smaller one , the angle EOE would obviously become very small , for the farther PP ' is removed from E E ' the more nearly will E'P ' and E P approach to parallelism . Thus , then , Saturn's slow motion in opposition ...
... greater than in the smaller one , the angle EOE would obviously become very small , for the farther PP ' is removed from E E ' the more nearly will E'P ' and E P approach to parallelism . Thus , then , Saturn's slow motion in opposition ...
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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