On the Connexion of the Physical SciencesMurray, 1858 - 555 pages |
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Page xvi
... Nebula - Their Number- Catalogue of them Consist of Two Classes Diffuse Nebula - Definitely formed Nebulæ - Globular Clusters - Splendour of Milky Way - Distribution of the Nebulæ - The Magellanic Clouds- - Nebulæ round ʼn Argûs ...
... Nebula - Their Number- Catalogue of them Consist of Two Classes Diffuse Nebula - Definitely formed Nebulæ - Globular Clusters - Splendour of Milky Way - Distribution of the Nebulæ - The Magellanic Clouds- - Nebulæ round ʼn Argûs ...
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 384
... Nebula - Their Number Catalogue of them - Consist of Two Classes Diffuse Nebula - Definitely formed Nebula Globular Clusters - Splendour of Milky Way Distribution of the Nebula- - The Magellanic Clouds - Nebula round ʼn Argûs- Consti ...
... Nebula - Their Number Catalogue of them - Consist of Two Classes Diffuse Nebula - Definitely formed Nebula Globular Clusters - Splendour of Milky Way Distribution of the Nebula- - The Magellanic Clouds - Nebula round ʼn Argûs- Consti ...
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 ...
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Common terms and phrases
61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts