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
... Edge is turned to the Earth ib . 58 59 Detects Traces of an Atmosphere surrounding Saturn Bond and others detect Traces of Divisions in the Rings Bond and Lassell discover Hyperion Bond , Lassell , and Dawes discover the Dark Ring ib ...
... Edge is turned to the Earth ib . 58 59 Detects Traces of an Atmosphere surrounding Saturn Bond and others detect Traces of Divisions in the Rings Bond and Lassell discover Hyperion Bond , Lassell , and Dawes discover the Dark Ring ib ...
Страница 48
... edge is turned to the spectator or to the sun . He found that the diameter of the outer circumference of the ring exceeded * The plane of the ring passed through the sun early in March 1656 ( see Table X ) ; it had passed through the ...
... edge is turned to the spectator or to the sun . He found that the diameter of the outer circumference of the ring exceeded * The plane of the ring passed through the sun early in March 1656 ( see Table X ) ; it had passed through the ...
Страница 49
... edge and Saturn's body . Four years before , on March 25th , 1655 , Huygens had made . another important discovery : by aid of the 12 - feet telescope already mentioned , he had detected a satellite attending on Saturn . Judging from ...
... edge and Saturn's body . Four years before , on March 25th , 1655 , Huygens had made . another important discovery : by aid of the 12 - feet telescope already mentioned , he had detected a satellite attending on Saturn . Judging from ...
Страница 56
... edge of the ring is less than 32,000 miles . It accomplishes a re- volution around Saturn in about 22 hours - a period of revolution shorter than that of any known satellite in our system . Herschel published tables of the motions of ...
... edge of the ring is less than 32,000 miles . It accomplishes a re- volution around Saturn in about 22 hours - a period of revolution shorter than that of any known satellite in our system . Herschel published tables of the motions of ...
Страница 57
... edge of the ring was turned di- rectly towards the earth , † Herschel observed that it continued visible as a broken line of light when viewed through one of his 20 - feet reflectors , and that certain spots of light were carried along ...
... edge of the ring was turned di- rectly towards the earth , † Herschel observed that it continued visible as a broken line of light when viewed through one of his 20 - feet reflectors , and that certain spots of light were carried along ...
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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