Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
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... Round the World . A LADY'S VOYAGE ......... IDA PFEIFFER BIOGRAPHY . CHESTERFIELD & SELWYN A. HAYWARD . SWIFT AND RICHARDSON .... LORD JEFFREY . DEFOE AND CHURCHILL J. FORSTER . ANECDOTES OF DR . JOHNSON MRS . PIOZZI , TURKEY AND ...
... Round the World . A LADY'S VOYAGE ......... IDA PFEIFFER BIOGRAPHY . CHESTERFIELD & SELWYN A. HAYWARD . SWIFT AND RICHARDSON .... LORD JEFFREY . DEFOE AND CHURCHILL J. FORSTER . ANECDOTES OF DR . JOHNSON MRS . PIOZZI , TURKEY AND ...
Page xxi
... round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface . Disturbing effect of the Sun on the Moon's motion CHAPTER IX . OF THE SOLAR SYSTEM . 290 Apparent ...
... round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface . Disturbing effect of the Sun on the Moon's motion CHAPTER IX . OF THE SOLAR SYSTEM . 290 Apparent ...
Page 16
... round a very large extent of the horizon ; and , besides , the moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor ...
... round a very large extent of the horizon ; and , besides , the moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor ...
Page 20
... round for the roughness on its rind . 2dly , That the appearance of a visible horizon , or sca - offing , is a consequence of the curvature of the surface , and does not arise from the inability of the eye to follow objects to a greater ...
... round for the roughness on its rind . 2dly , That the appearance of a visible horizon , or sca - offing , is a consequence of the curvature of the surface , and does not arise from the inability of the eye to follow objects to a greater ...
Page 23
Sir John F. W. Herschel. 4 x 2112 8448 , or , in round numbers , about 8000 miles , which is not very far from the truth . ( 29. ) Such is the first rough result of an attempt to ascertain the earth's magnitude ; and it will not be amiss ...
Sir John F. W. Herschel. 4 x 2112 8448 , or , in round numbers , about 8000 miles , which is not very far from the truth . ( 29. ) Such is the first rough result of an attempt to ascertain the earth's magnitude ; and it will not be amiss ...
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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