On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page xvi
... Nebula- Their Number - Catalogue of them Consist of Two Classes Diffuse Nebulæ - Definitely formed Nebulæ Splendour of Milky Way - Distribution of the - The Magellanic Clouds- - Nebula round Argûs - Consti- tution of Nebulæ , and the ...
... Nebula- Their Number - Catalogue of them Consist of Two Classes Diffuse Nebulæ - Definitely formed Nebulæ Splendour of Milky Way - Distribution of the - The Magellanic Clouds- - Nebula round Argûs - Consti- tution of Nebulæ , and the ...
Page 33
... nebula than a planet , which renders it extremely difficult to distinguish the satellites at all ; and quite hopeless without such a telescope as is rarely to be met with even in observatories . Sir William Herschel discovered the two ...
... nebula than a planet , which renders it extremely difficult to distinguish the satellites at all ; and quite hopeless without such a telescope as is rarely to be met with even in observatories . Sir William Herschel discovered the two ...
Page 377
... nebula that surrounds the sun , which may account for the rapid decrease observed in the tails of comets every time they return to their perihelia . Should the great comet of 1843 prove to be the same with that of 1668 , its tail must ...
... nebula that surrounds the sun , which may account for the rapid decrease observed in the tails of comets every time they return to their perihelia . Should the great comet of 1843 prove to be the same with that of 1668 , its tail must ...
Page 393
... nebula , and between the years 1677 and 1826 it varied twice from the 4th to the 2nd magnitude ; but in the beginning of 1838 it suddenly increased in lustre , so as to be nearly as bright as a Centauri . Thence it diminished , but not ...
... nebula , and between the years 1677 and 1826 it varied twice from the 4th to the 2nd magnitude ; but in the beginning of 1838 it suddenly increased in lustre , so as to be nearly as bright as a Centauri . Thence it diminished , but not ...
Page 407
... nebula that are profusely scat- tered throughout the universe . By the aid of a good telescope there may be seen on the clear vault of heaven , between the stars of our own stellar system , and far in the depths of space , an immense ...
... nebula that are profusely scat- tered throughout the universe . By the aid of a good telescope there may be seen on the clear vault of heaven , between the stars of our own stellar system , and far in the depths of space , an immense ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire