Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка viii
... Uranus , by which the existence and situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action , than to ...
... Uranus , by which the existence and situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action , than to ...
Сторінка xiii
... Uranus - of Neptune CHAPTER XI . OF COMETS . 324 Great number of recorded comets . The number of those unrecorded probably much greater . General description of a comet . Comets with- out tails , or with more than one . Their extreme ...
... Uranus - of Neptune CHAPTER XI . OF COMETS . 324 Great number of recorded comets . The number of those unrecorded probably much greater . General description of a comet . Comets with- out tails , or with more than one . Their extreme ...
Сторінка xv
... Uranus resulting in the discovery of Neptune - Page 454 PART III . OF SIDEREAL ASTRONOMY . CHAPTER XV . Of the fixed stars . Their classification by magnitudes . Photometric scale of magnitudes . Conventional or vulgar scale ...
... Uranus resulting in the discovery of Neptune - Page 454 PART III . OF SIDEREAL ASTRONOMY . CHAPTER XV . Of the fixed stars . Their classification by magnitudes . Photometric scale of magnitudes . Conventional or vulgar scale ...
Сторінка 275
... Uranus , is barely discernible without a telescope ; and nine others— Neptune , Ceres , Pallas , Vesta , Juno , Astræa , Hebe , Iris , Flora- are never visible to the naked eye . Besides these fifteen , others yet undiscovered may exist ...
... Uranus , is barely discernible without a telescope ; and nine others— Neptune , Ceres , Pallas , Vesta , Juno , Astræa , Hebe , Iris , Flora- are never visible to the naked eye . Besides these fifteen , others yet undiscovered may exist ...
Сторінка 291
... of their parallax , we conclude to be the most distant from us , viz . Jupiter , Saturn , Uranus , and Neptune , never appear otherwise than round ; a sufficient proof , of - - itself , that we see them always in U 2 SUPERIOR PLANETS . 291.
... of their parallax , we conclude to be the most distant from us , viz . Jupiter , Saturn , Uranus , and Neptune , never appear otherwise than round ; a sufficient proof , of - - itself , that we see them always in U 2 SUPERIOR PLANETS . 291.
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Сторінка 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.