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 |
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... Orbit of Mars Jan 1 1835 Jan.1 . 1831 Jan 1 1840 ORBIT Venus Mercury EARTH'S Orbitof Orbit of Aug Sep Qet L Nov Dec Jan Feb Mar 1833 Jan Perihelion 121 E 1- PIELAS LETTERS 121 ON ASTRONOMY , ADDRESSED. PATH OF BIELA'S COMET .
... Orbit of Mars Jan 1 1835 Jan.1 . 1831 Jan 1 1840 ORBIT Venus Mercury EARTH'S Orbitof Orbit of Aug Sep Qet L Nov Dec Jan Feb Mar 1833 Jan Perihelion 121 E 1- PIELAS LETTERS 121 ON ASTRONOMY , ADDRESSED. PATH OF BIELA'S COMET .
Strona 7
... Comets , 312 LETTER XXVI . Comets , 334 LETTER XXVII . Meteoric Showers , . 346 LETTER XXVIII . Fixed Stars , 365 LETTER XXIX . Fixed Stars , 383 LETTER XXX . System of the World , 392 LETTER XXXI . Conclusion , . 406 INDEX , 415 ...
... Comets , 312 LETTER XXVI . Comets , 334 LETTER XXVII . Meteoric Showers , . 346 LETTER XXVIII . Fixed Stars , 365 LETTER XXIX . Fixed Stars , 383 LETTER XXX . System of the World , 392 LETTER XXXI . Conclusion , . 406 INDEX , 415 ...
Strona 41
... Comets require only the lowest magnifiers ; for here , our object is to command as much light , and as large a field , as possible , while it avails little to increase the dimensions of the object . On the other hand , for certain ...
... Comets require only the lowest magnifiers ; for here , our object is to command as much light , and as large a field , as possible , while it avails little to increase the dimensions of the object . On the other hand , for certain ...
Strona 101
... comets ; and , finally , we shall leave behind this little province in the great empire of Nature , and wing a bolder flight to the fixed stars . The distance of the sun from the earth is about ninety - five millions of miles . It may ...
... comets ; and , finally , we shall leave behind this little province in the great empire of Nature , and wing a bolder flight to the fixed stars . The distance of the sun from the earth is about ninety - five millions of miles . It may ...
Strona 236
... comets sometimes exhibit . Venus is regarded as the most beautiful of the plan- ets , and is well known as the morning and evening star . The most ancient nations , indeed , did not recog- nise the morning and evening star as one and ...
... comets sometimes exhibit . Venus is regarded as the most beautiful of the plan- ets , and is well known as the morning and evening star . The most ancient nations , indeed , did not recog- nise the morning and evening star as one and ...
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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