Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xii
John Frederick William Herschel. CHAPTER IV OF GEOGRAPHY . Of the figure of the Earth . Its exact dimensions . Its form that of equilibrium modified by centrifugal force . Variation of gravity on its surface . Statical and dynamical ...
John Frederick William Herschel. CHAPTER IV OF GEOGRAPHY . Of the figure of the Earth . Its exact dimensions . Its form that of equilibrium modified by centrifugal force . Variation of gravity on its surface . Statical and dynamical ...
Page xv
... 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 Jupiter's satellites , how ascertained ...
... 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 Jupiter's satellites , how ascertained ...
Page 15
... figure of the earth ; the hills , trees , and other objects which roughen its surface , and break and elevate the line of the horizon , though obviously bearing a most minute proportion to the whole earth , are yet too considerable with ...
... figure of the earth ; the hills , trees , and other objects which roughen its surface , and break and elevate the line of the horizon , though obviously bearing a most minute proportion to the whole earth , are yet too considerable with ...
Page 16
... figures . If we ascend a high eminence on a plain ( for instance , one of the Egyptian pyramids ) , the same holds ... figure of a body which , however seen , appears always circular , can be no other than a sphere or globe . ( 22. ) A ...
... figures . If we ascend a high eminence on a plain ( for instance , one of the Egyptian pyramids ) , the same holds ... figure of a body which , however seen , appears always circular , can be no other than a sphere or globe . ( 22. ) A ...
Page 18
... figure exhibits three states or stages of elevation . the horizon , & c . corresponding to each , a glance at whic explain our meaning ; or , limiting ourselves to the larg more distinct , MNOPQ , let the reader imagine 7 MQ7 to be the ...
... figure exhibits three states or stages of elevation . the horizon , & c . corresponding to each , a glance at whic explain our meaning ; or , limiting ourselves to the larg more distinct , MNOPQ , let the reader imagine 7 MQ7 to be the ...
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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.