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
... 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 facts not difficult to be understood , al- though they may ...
... 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 facts not difficult to be understood , al- though they may ...
Strona 15
... celestial motions , in which the sun is placed in the centre of the solar system , and the earth and all the planets are made to revolve around him , from west to east , while the apparent diurnal motion of the heavenly bodies , from ...
... celestial motions , in which the sun is placed in the centre of the solar system , and the earth and all the planets are made to revolve around him , from west to east , while the apparent diurnal motion of the heavenly bodies , from ...
Strona 16
... celestial motions , as ex- emplified in the motion of the earth around the sun . LETTER II . DOCTRINE OF THE SPHERE . " All are but parts of one stupendous whole , Whose body Nature is , and God the soul . " - Pope . LET us now consider ...
... celestial motions , as ex- emplified in the motion of the earth around the sun . LETTER II . DOCTRINE OF THE SPHERE . " All are but parts of one stupendous whole , Whose body Nature is , and God the soul . " - Pope . LET us now consider ...
Strona 20
... 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 sensible horizon is a circle touch ...
... 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 sensible horizon is a circle touch ...
Strona 21
... celestial axis . The equator is a great circle cutting the axis of the earth at right angles . Hence , the axis of ... celestial , equator . The latter , by way of distinction , is sometimes denominated the equinoctial . The secondaries ...
... celestial axis . The equator is a great circle cutting the axis of the earth at right angles . Hence , the axis of ... celestial , equator . The latter , by way of distinction , is sometimes denominated the equinoctial . The secondaries ...
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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