Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 sider |
Inni boken
Resultat 1-5 av 100
Side 1
... and logical argument , even should it prove of a nature adverse to notions he may have previously formed for himself , or taken up , without examination , on the credit of B As a others . Such an effort is , in fact , INTRODUCTION.
... and logical argument , even should it prove of a nature adverse to notions he may have previously formed for himself , or taken up , without examination , on the credit of B As a others . Such an effort is , in fact , INTRODUCTION.
Side 16
... fact of all its parts appearing at the same distance from us , and that , evidently , a moderate one ; and thirdly , from this , that its apparent diameter , measured with an instrument called the dip sector , is the same ( except under ...
... fact of all its parts appearing at the same distance from us , and that , evidently , a moderate one ; and thirdly , from this , that its apparent diameter , measured with an instrument called the dip sector , is the same ( except under ...
Side 18
... fact , that in all situations , in ev part of the earth , the direction of a plumb - line is exac perpendicular to the surface of still water ; and , moreov that it is also exactly perpendicular to a line or surface tr adjusted by a ...
... fact , that in all situations , in ev part of the earth , the direction of a plumb - line is exac perpendicular to the surface of still water ; and , moreov that it is also exactly perpendicular to a line or surface tr adjusted by a ...
Side 18
... fact , that in all situations , in every part of the earth , the direction of a plumb - line is exactly perpendicular to the surface of still water ; and , moreover , that it is also exactly perpendicular to a line or surface truly ...
... fact , that in all situations , in every part of the earth , the direction of a plumb - line is exactly perpendicular to the surface of still water ; and , moreover , that it is also exactly perpendicular to a line or surface truly ...
Side 20
... fact , were it not for the effect of refraction , by which we are enabled to see in some small degree round the interposed segment ( as will be hereafter explained ) , this would be a tolerably good method of ascertaining it . Suppose A ...
... fact , were it not for the effect of refraction , by which we are enabled to see in some small degree round the interposed segment ( as will be hereafter explained ) , this would be a tolerably good method of ascertaining it . Suppose A ...
Andre utgaver - Vis alle
Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Uten tilgangsbegrensning - 1851 |
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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.