Outlines of Astronomy |
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Page xxiv
... distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas . Parallax of the sun . Its distance and magnitude . Copernican explanation of the Sun's apparent motion ...
... distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas . Parallax of the sun . Its distance and magnitude . Copernican explanation of the Sun's apparent motion ...
Page xxiv
... distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas . Parallax of the sun . Its distance and magnitude . Copernican explanation of the Sun's apparent motion ...
... distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas . Parallax of the sun . Its distance and magnitude . Copernican explanation of the Sun's apparent motion ...
Page xxvii
... distance of the fixed stars . Their annual parallax . Parallactic unit of sidereal distance . Effect of parallax analogous to that of aberration . How distinguished from it . Detection of paral- lax by meridional observations ...
... distance of the fixed stars . Their annual parallax . Parallactic unit of sidereal distance . Effect of parallax analogous to that of aberration . How distinguished from it . Detection of paral- lax by meridional observations ...
Page 20
... distance , or from at- mospheric indistinctness . It will be worth while to pursue the general notion thus acquired into some of its consequences , by which its consistency with observations of a different kind , and on a larger scale ...
... distance , or from at- mospheric indistinctness . It will be worth while to pursue the general notion thus acquired into some of its consequences , by which its consistency with observations of a different kind , and on a larger scale ...
Page 21
... distance TE is not so great as to have prevented an equally perfect view of the whole . ( 26. ) The history of aëronautic adventure affords a curious illustration of the same principle . The late Mr. Sadler , the celebrated aëronaut ...
... distance TE is not so great as to have prevented an equally perfect view of the whole . ( 26. ) The history of aëronautic adventure affords a curious illustration of the same principle . The late Mr. Sadler , the celebrated aëronaut ...
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amount angle angular appear apsides ascertained astronomical atmosphere attraction axis bright calculation celestial circle coincidence comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian micrometrical moon moon's nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena phænomenon planet planetary pole portion position precession precisely proper motion proportion recede recess refraction remarkable respect result revolution revolving right ascension 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