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
... visible at a single view with as little distortion as possible . In the Society's maps , the celestial sphere is projected from the centre upon the circumscribing cube ; thus forming six maps considerably distorted near the angles . I ...
... visible at a single view with as little distortion as possible . In the Society's maps , the celestial sphere is projected from the centre upon the circumscribing cube ; thus forming six maps considerably distorted near the angles . I ...
Страница ix
... visible on the scale of that figure . The figures of Plate XIV . are derived from woodcuts in Layard's Nineveh and Babylon ' and Nineveh and its Remains . ' Collingwood Villas , Stoke , Devon : May , 1865 . CONTENTS . CHAPTER I ...
... visible on the scale of that figure . The figures of Plate XIV . are derived from woodcuts in Layard's Nineveh and Babylon ' and Nineveh and its Remains . ' Collingwood Villas , Stoke , Devon : May , 1865 . CONTENTS . CHAPTER I ...
Страница xiv
... visible 169 • Apparent Outlines of the Rings viewed from different parts of Saturn's Surface . 171 Rings not always Visible , and variable in Brilliancy . 176 Motion of the Shadow of the Planet across the Rings — how Variable 177 ...
... visible 169 • Apparent Outlines of the Rings viewed from different parts of Saturn's Surface . 171 Rings not always Visible , and variable in Brilliancy . 176 Motion of the Shadow of the Planet across the Rings — how Variable 177 ...
Страница 2
... visible as a morning star . His apparent motion is still progressive , but gradually decreases until he becomes stationary . He then slowly retro- grades for nearly five months , passing through opposition ; be- comes stationary again ...
... visible as a morning star . His apparent motion is still progressive , but gradually decreases until he becomes stationary . He then slowly retro- grades for nearly five months , passing through opposition ; be- comes stationary again ...
Страница 6
... visible when in conjunction , its motion would appear swifter then than at any other time . Thus let esp be the line along which conjunction takes place , the earth being at e and the planet at p ; and e ' , p ' the positions of the ...
... visible when in conjunction , its motion would appear swifter then than at any other time . Thus let esp be the line along which conjunction takes place , the earth being at e and the planet at p ; and e ' , p ' the positions of the ...
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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