Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xiii
... 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 . · 264 Apparent motions of the planets . Their stations and retrogradations . The 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 . · 264 Apparent motions of the planets . Their stations and retrogradations . The Sun ...
Page 16
... compared to what nature itself affords ; Etna , Teneriffe , Mowna Roa , are eminences from which no contemptible aliquot part of the whole earth's surface can be seen ; but from these again - in those few and rare occasions when the ...
... compared to what nature itself affords ; Etna , Teneriffe , Mowna Roa , are eminences from which no contemptible aliquot part of the whole earth's surface can be seen ; but from these again - in those few and rare occasions when the ...
Page 22
... compared with its general mass . The comparison is quite free from exag- geration . The highest mountain known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently ...
... compared with its general mass . The comparison is quite free from exag- geration . The highest mountain known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently ...
Page 34
... , and the moon a materially less angle , than when seen at a great alti- tude in the sky , owing to its greater distance from us in the former situation as compared with the latter , as will 34 OUTLINES OF ASTRONOMY .
... , and the moon a materially less angle , than when seen at a great alti- tude in the sky , owing to its greater distance from us in the former situation as compared with the latter , as will 34 OUTLINES OF ASTRONOMY .
Page 35
John Frederick William Herschel. former situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we ...
John Frederick William Herschel. former situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we ...
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angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination 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 planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Page 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.