Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
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Page x
... the conduct of those masterpieces of analytical skill which the re- searches of Messrs . Leverrier and Adams exhibit . * Principia , lib . i . prop . 66. cor . 6 . 1 To the latter of these eminent geometers , as well X PREFACE TO.
... the conduct of those masterpieces of analytical skill which the re- searches of Messrs . Leverrier and Adams exhibit . * Principia , lib . i . prop . 66. cor . 6 . 1 To the latter of these eminent geometers , as well X PREFACE TO.
Page xi
Sir John F. W. Herschel. To the latter of these eminent geometers , as well as to my excellent and esteemed friend the Astro- nomer Royal , I have to return my best thanks for communications which would have effectually re- lieved some ...
Sir John F. W. Herschel. To the latter of these eminent geometers , as well as to my excellent and esteemed friend the Astro- nomer Royal , I have to return my best thanks for communications which would have effectually re- lieved some ...
Page 39
... latter , only that portion of it which remains constantly opposite to him , and immediately under his eye . ( 53. ) By such a rotation of the earth , then , as we have supposed , the horizon of a stationary spectator will be con ...
... latter , only that portion of it which remains constantly opposite to him , and immediately under his eye . ( 53. ) By such a rotation of the earth , then , as we have supposed , the horizon of a stationary spectator will be con ...
Page 54
... latter as the true explanation of these phenomena , avoiding thereby the necessity of otherwise resorting to the cumbrous mechanism of a solid but invisible sphere , to which the stars must be supposed attached , in order that they may ...
... latter as the true explanation of these phenomena , avoiding thereby the necessity of otherwise resorting to the cumbrous mechanism of a solid but invisible sphere , to which the stars must be supposed attached , in order that they may ...
Page 63
... latter distance is called its Polar distance . Declinations are reckoned plus or minus , according as the object is situated in the northern or southern celestial hemi- sphere . Polar distances are always reckoned from the North Pole ...
... latter distance is called its Polar distance . Declinations are reckoned plus or minus , according as the object is situated in the northern or southern celestial hemi- sphere . Polar distances are always reckoned from the North Pole ...
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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 effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination increase inequality instance instrument interval 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 precisely proper motions proportion recede recess reckoned refraction remarkable render respect result revolution revolving right ascension ring 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 whole zenith