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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Strona 11
... heavens , is still more easily understood than the laws of the celestial motions . The revelations of the telescope , and the wonders it has disclosed in the sun , in the moon , in the planets , and especially in the fixed stars , are ...
... heavens , is still more easily understood than the laws of the celestial motions . The revelations of the telescope , and the wonders it has disclosed in the sun , in the moon , in the planets , and especially in the fixed stars , are ...
Strona 13
... heavens can command the aid of telescopes , of higher and higher powers , new acquaintances are made every evening . The sight of each new member of the starry train , that the telescope successively reveals to him , inspires a pe ...
... heavens can command the aid of telescopes , of higher and higher powers , new acquaintances are made every evening . The sight of each new member of the starry train , that the telescope successively reveals to him , inspires a pe ...
Strona 15
... heavenly bodies are the same with their real motions . But Copernicus ex- pounded what is now known to be the true theory of the celestial motions , in which the sun is placed in the centre of the solar system , and the earth and all ...
... heavenly bodies are the same with their real motions . But Copernicus ex- pounded what is now known to be the true theory of the celestial motions , in which the sun is placed in the centre of the solar system , and the earth and all ...
Strona 19
... heavens , both the earth and the heavens are conceived to be divided into separate portions , by circles , which are imagined to cut through them , in various ways . The earth thus inter- sected is called the terrestrial , and the ...
... heavens , both the earth and the heavens are conceived to be divided into separate portions , by circles , which are imagined to cut through them , in various ways . The earth thus inter- sected is called the terrestrial , and the ...
Strona 20
... heavens , become circles of the celestial sphere . The horizon is the great circle which divides the earth into upper and lower hemispheres , and separates the visible heavens from the invisible . This is the ra- tional horizon . The ...
... heavens , become circles of the celestial sphere . The horizon is the great circle which divides the earth into upper and lower hemispheres , and separates the visible heavens from the invisible . This is the ra- tional horizon . The ...
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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