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 xiv
... probably Inhabited Variation of Gravity on Saturn's Globe 156 • 157 Density of Materials composing Saturn's Globe not necessarily the same as the mean Density of the Globe 158 Oceans on Saturn's Surface not necessarily collected in one ...
... probably Inhabited Variation of Gravity on Saturn's Globe 156 • 157 Density of Materials composing Saturn's Globe not necessarily the same as the mean Density of the Globe 158 Oceans on Saturn's Surface not necessarily collected in one ...
Страница xv
... probably acquainted with True System of the Universe Opinions attributed by Philolaus to Pythagoras - how probably derived Chaldæans not acquainted with Gravity Mechanical Skill of the Assyrians Astronomical Observations - how recorded ...
... probably acquainted with True System of the Universe Opinions attributed by Philolaus to Pythagoras - how probably derived Chaldæans not acquainted with Gravity Mechanical Skill of the Assyrians Astronomical Observations - how recorded ...
Страница xix
... 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 , and his slow movements traced upon the celestial sphere . Let us consider in what ...
... 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 , and his slow movements traced upon the celestial sphere . Let us consider in what ...
Страница xxi
... probably recognised as a wandering orb at a very remote period . Mercury , on the other hand , twin- kling like a fixed star , and never visible but when near the horizon , and when his lustre is dimmed by the glory of the rising or set ...
... probably recognised as a wandering orb at a very remote period . Mercury , on the other hand , twin- kling like a fixed star , and never visible but when near the horizon , and when his lustre is dimmed by the glory of the rising or set ...
Страница 30
... probably too great by three millions of miles or more , shows that even in the present advanced state of the science of astronomy the problem is no easy one . In the planets Mercury and Venus , however , we have two objects , which ...
... probably too great by three millions of miles or more , shows that even in the present advanced state of the science of astronomy the problem is no easy one . In the planets Mercury and Venus , however , we have two objects , which ...
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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