Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
З цієї книги
Сторінка xii
... 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 ...
Сторінка xv
... 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 ...
Сторінка 19
... 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 ...
Сторінка 20
... 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 ...
Сторінка 21
... distance of the stations inconsiderable in comparison with the size of the earth , the solution alluded to is contained in the following propòsition : - The earth's diameter bears the same proportion to the distance of the visible ...
... distance of the stations inconsiderable in comparison with the size of the earth , the solution alluded to is contained in the following propòsition : - The earth's diameter bears the same proportion to the distance of the visible ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
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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Сторінка 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.