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 |
Z wnętrza książki
Wyniki 1 - 5 z 87
Strona 16
... whole , Whose body Nature is , and God the soul . " - Pope . LET us now consider what astronomy is , and into what great divisions it is distributed ; and then we will take a cursory view of the doctrine of the sphere . This subject ...
... whole , Whose body Nature is , and God the soul . " - Pope . LET us now consider what astronomy is , and into what great divisions it is distributed ; and then we will take a cursory view of the doctrine of the sphere . This subject ...
Strona 17
... whole which you cannot clearly un- derstand , I would advise you to mark it , and to recur to it repeatedly ; and , if you finally cannot obtain a clear idea of it yourself , I would recommend to you to apply for aid to some of your ...
... whole which you cannot clearly un- derstand , I would advise you to mark it , and to recur to it repeatedly ; and , if you finally cannot obtain a clear idea of it yourself , I would recommend to you to apply for aid to some of your ...
Strona 18
... whole circle contains three hundred and sixty de- grees , it is evident , that the quarter of a circle , or quad- rant , contains ninety degrees , and that the semicircle A B D G contains one hundred and eighty degrees . The complement ...
... whole circle contains three hundred and sixty de- grees , it is evident , that the quarter of a circle , or quad- rant , contains ninety degrees , and that the semicircle A B D G contains one hundred and eighty degrees . The complement ...
Strona 27
... whole breadth opposite to the eye , we see it as an entire circle . If we turn it a little sideways , it appears oval , or as an ellipse ; and , as we continue to turn it more and more round , the ellipse grows narrower and narrower ...
... whole breadth opposite to the eye , we see it as an entire circle . If we turn it a little sideways , it appears oval , or as an ellipse ; and , as we continue to turn it more and more round , the ellipse grows narrower and narrower ...
Strona 31
... whole art of instrument - making is regarded as the most difficult and refined of all the mechanical arts ; and a few eminent artists , who have produced instru- ments of peculiar power and accuracy , take rank with astronomers of the ...
... whole art of instrument - making is regarded as the most difficult and refined of all the mechanical arts ; and a few eminent artists , who have produced instru- ments of peculiar power and accuracy , take rank with astronomers of the ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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