Outlines of astronomy |
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Page x
... action on Uranus , by which the existence and situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action ...
... action on Uranus , by which the existence and situation of the disturbing planet became revealed to us , I have endeavoured , in pursuance of the general plan of this work , rather to exhibit a rational view of the dynamical action ...
Page xxiii
... action of Venus . Effect of the sphe- roidal figure of the Earth and other planets on the motions of their satellites . Of the tides . Masses of disturbing bodies deducible from the perturbations they produce . Mass of the Moon , and of ...
... action of Venus . Effect of the sphe- roidal figure of the Earth and other planets on the motions of their satellites . Of the tides . Masses of disturbing bodies deducible from the perturbations they produce . Mass of the Moon , and of ...
Page 5
... such circumstances , the appeal has to be made , not to the pure and abstract reason , but to the sense of analogy — to practice and experience : principles and modes of action have to be established not by direct B 3 INTRODUCTION . 5.
... such circumstances , the appeal has to be made , not to the pure and abstract reason , but to the sense of analogy — to practice and experience : principles and modes of action have to be established not by direct B 3 INTRODUCTION . 5.
Page 6
... action take place : thus erecting , as it were , in each particular case , a separate induc- tion , and constructing at each step a little body of science to meet its exigencies . The difference is that of pioneering a road through an ...
... action take place : thus erecting , as it were , in each particular case , a separate induc- tion , and constructing at each step a little body of science to meet its exigencies . The difference is that of pioneering a road through an ...
Page 7
... action . He has followed out a train of rea- soning by logical and technical rules , but the signs he has employed are not pictures of nature , or have lost their ori- ginal meaning as such to his mind : he has not seen , as it were ...
... action . He has followed out a train of rea- soning by logical and technical rules , but the signs he has employed are not pictures of nature , or have lost their ori- ginal meaning as such to his mind : he has not seen , as it were ...
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Common terms and phrases
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena planet planetary pole portion position precession proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole zenith