Letters on Astronomy: Addressed to a Lady; in which the Elements of the Science are Familiarly Explained in Connexion with Its Literary HistoryMarsh, Capen, Lyon and Webb, 1841 - 419 páginas |
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Página 248
... John Herschel sup- poses that the belts are not ranges of clouds , but por- tions of the planet itself , brought into view by the re- moval of clouds and mists , that exist in the atmosphere of the planet , through which are openings ...
... John Herschel sup- poses that the belts are not ranges of clouds , but por- tions of the planet itself , brought into view by the re- moval of clouds and mists , that exist in the atmosphere of the planet , through which are openings ...
Página 251
... John Herschel remarks : " The discovery of Jupiter's satellites by Galileo , which was one of the first fruits of the inven- tion of the telescope , forms one of the most memorable epochs in the history of astronomy . The first astro ...
... John Herschel remarks : " The discovery of Jupiter's satellites by Galileo , which was one of the first fruits of the inven- tion of the telescope , forms one of the most memorable epochs in the history of astronomy . The first astro ...
Página 291
... John Herschel , have been dis- posed to ascribe very little weight to the doctrine of Olbers . LETTER XXIV . THE PLANETARY MOTIONS . - KEPLER'S LAWS . - KEPLER . centre . " God of the rolling orbs above ! Thy name is written clearly ...
... John Herschel , have been dis- posed to ascribe very little weight to the doctrine of Olbers . LETTER XXIV . THE PLANETARY MOTIONS . - KEPLER'S LAWS . - KEPLER . centre . " God of the rolling orbs above ! Thy name is written clearly ...
Página 318
... John Herschel , " must be looked upon as dense and massive bodies , compared with the filmy and all but spiritual texture of a comet . " The small quantity of matter in comets is proved by the fact , that they have at times passed very ...
... John Herschel , " must be looked upon as dense and massive bodies , compared with the filmy and all but spiritual texture of a comet . " The small quantity of matter in comets is proved by the fact , that they have at times passed very ...
Página 342
... John Herschel , " could not have been afforded , of the extreme transparency of the matter of which this comet consists . The most trifling fog would have entirely effaced this group of stars , yet they continued visible through a ...
... John Herschel , " could not have been afforded , of the extreme transparency of the matter of which this comet consists . The most trifling fog would have entirely effaced this group of stars , yet they continued visible through a ...
Outras edições - Ver tudo
Letters on Astronomy, Addressed to a Lady: in which the Elements of the ... Denison Olmsted Visualização integral - 1841 |
Letters on Astronomy, Addressed to a Lady: In which the Elements of the ... Denison Olmsted Visualização integral - 1847 |
Letters on Astronomy, Addressed to a Lady: In which the Elements of the ... Denison Olmsted Visualização integral - 1842 |
Palavras e frases frequentes
angle appear ascertain astronomers atmosphere attraction axis called celestial centre circle comet conjunction constellation degrees diameter direction discovery disk distance diurnal motion doctrine double stars earth ecliptic equal equator equinox exhibited fact fixed stars force Galileo globe gravity greater greatest half Halley's comet heavenly bodies heavens Hence Herschel horizon hundred inferior conjunction instrument John Herschel Jupiter Kepler latitude laws length less light longitude lunar lunar eclipse magnitude measure Mercury meridian meteors millions of miles minutes moon moon's motion move Nature nearer nearly node objects observations opposite orbit parallax passing perihelion period phenomena planetary planets pole respect revolve right ascension ring round satellites Saturn seen shadow side space spectator sphere sun's superior planets supposed surface telescope thousand tides tion truth Tycho Tycho Brahe universal gravitation Uranus velocity Venus vernal equinox visible west to east