Letters on Astronomy: Addressed to a Lady; in which the Elements of the Science are Familiarly Explained in Connexion with Its Literary History |
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Page 44
... attractions of a court , he contracted an alliance with a peasant girl , and , in the peaceful retirement of domestic life , desired no happier lot than to peruse the grand volume which the nocturnal heavens displayed to his ...
... attractions of a court , he contracted an alliance with a peasant girl , and , in the peaceful retirement of domestic life , desired no happier lot than to peruse the grand volume which the nocturnal heavens displayed to his ...
Page 80
... attraction which it exerts , causes slight inequalities in the motions of the moon ; and since the amount of these becomes a measure of the force which produces them , astronomers are able , from these in- equalities , to calculate the ...
... attraction which it exerts , causes slight inequalities in the motions of the moon ; and since the amount of these becomes a measure of the force which produces them , astronomers are able , from these in- equalities , to calculate the ...
Page 103
... attraction exerted by any body is the same as though all the matter were concentrated in the centre . Thus , the attraction exerted by the earth and by the sun is the same as though the entire matter of each body were in its centre ...
... attraction exerted by any body is the same as though all the matter were concentrated in the centre . Thus , the attraction exerted by the earth and by the sun is the same as though the entire matter of each body were in its centre ...
Page 106
... attracted the notice of Galileo soon after the invention of the telescope , and he formed an hypothesis respecting their nature . Supposing the sun to consist of a solid body embosom- ed in a sea of liquid fire , he believed that the ...
... attracted the notice of Galileo soon after the invention of the telescope , and he formed an hypothesis respecting their nature . Supposing the sun to consist of a solid body embosom- ed in a sea of liquid fire , he believed that the ...
Page 133
... the universe attracts and is attracted by every other , equally , in an opposite direc- tion . This brings us to the doctrine of universal gravi- 12 L. A. tation , which is the very key that unlocks all LAWS OF MOTION . 133.
... the universe attracts and is attracted by every other , equally , in an opposite direc- tion . This brings us to the doctrine of universal gravi- 12 L. A. tation , which is the very key that unlocks all LAWS OF MOTION . 133.
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Common terms and phrases
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