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 |
Между кориците на книгата
Резултати 1 - 5 от 34.
Страница 1
... half to the north , a strange star is seen , whose dull yellow light contrasts strangely with the dazzling white of the fixed star . As they rise together to culmi- nation , and then sink towards the south - western horizon , the ...
... half to the north , a strange star is seen , whose dull yellow light contrasts strangely with the dazzling white of the fixed star . As they rise together to culmi- nation , and then sink towards the south - western horizon , the ...
Страница 2
... half from opposition , he has passed over an arc of only three degrees on the celestial sphere . Saturn's progressive motion , slow at first , gradually increases as he approaches conjunction , when , becoming an evening star , his ...
... half from opposition , he has passed over an arc of only three degrees on the celestial sphere . Saturn's progressive motion , slow at first , gradually increases as he approaches conjunction , when , becoming an evening star , his ...
Страница 8
... half . In this time the earth has completed nearly a quarter of her orbit , and therefore her path has become inclined at a very small angle to the line of sight to Saturn . Since , then , it is only when the earth's path is thus in ...
... half . In this time the earth has completed nearly a quarter of her orbit , and therefore her path has become inclined at a very small angle to the line of sight to Saturn . Since , then , it is only when the earth's path is thus in ...
Страница 9
... half following opposition : thus E'K ' is the line of sight from the earth to the planet when the earth is at E ' ; and r ' , the point in which E'K ' meets the planet's orbit , must be the position of the planet at that time . Produce ...
... half following opposition : thus E'K ' is the line of sight from the earth to the planet when the earth is at E ' ; and r ' , the point in which E'K ' meets the planet's orbit , must be the position of the planet at that time . Produce ...
Страница 12
... half from opposition he returns almost to the exact * When thus situated , a planet is said to be in quartile , or quadrate to the sun . † The sine of the angle E'P'P " is the ratio in this case ; but the angle E'P'P " is the complement ...
... half from opposition he returns almost to the exact * When thus situated , a planet is said to be in quartile , or quadrate to the sun . † The sine of the angle E'P'P " is the ratio in this case ; but the angle E'P'P " is the complement ...
Съдържание
131 | |
142 | |
148 | |
154 | |
160 | |
164 | |
171 | |
177 | |
75 | |
83 | |
91 | |
99 | |
101 | |
105 | |
112 | |
120 | |
126 | |
179 | |
185 | |
189 | |
195 | |
199 | |
206 | |
215 | |
221 | |
Други издания - Преглед на всички
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