Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка 40
... corresponding change of a very obvious kind in the apparent motions of the stars ; which , again , history decidedly declares them not to have undergone . -- ( 58. ) But , before we proceed to examine more in detail how the hypothesis ...
... corresponding change of a very obvious kind in the apparent motions of the stars ; which , again , history decidedly declares them not to have undergone . -- ( 58. ) But , before we proceed to examine more in detail how the hypothesis ...
Сторінка 44
... corresponding segment , about which the smaller circles of the more southern stars are described , in which they never rise . The stars which border upon the extreme circumference of this segment just graze the southern point of his ...
... corresponding segment , about which the smaller circles of the more southern stars are described , in which they never rise . The stars which border upon the extreme circumference of this segment just graze the southern point of his ...
Сторінка 45
... corresponding to the elevated one to the north , and a portion surrounding it , perpetually beneath , as there is another surrounding the north pole , perpetually above it . " Hic vertex nobis semper sublimis ; at illum Sub pedibus nox ...
... corresponding to the elevated one to the north , and a portion surrounding it , perpetually beneath , as there is another surrounding the north pole , perpetually above it . " Hic vertex nobis semper sublimis ; at illum Sub pedibus nox ...
Сторінка 52
... corresponding spectator on the surface is by his sensible horizon , the two observers will see the same stars in the same relative si- tuations , each beholding that entire hemisphere of the heavens which is above the celestial horizon ...
... corresponding spectator on the surface is by his sensible horizon , the two observers will see the same stars in the same relative si- tuations , each beholding that entire hemisphere of the heavens which is above the celestial horizon ...
Сторінка 60
... corresponding , point for point , to the ex- ternal sphere . On this the stars , & c . are really mapped down , as ... corresponds evidently to the German nieder the celestial horizon ; that is to say , points 60 OUTLINES OF ASTRONOMY .
... corresponding , point for point , to the ex- ternal sphere . On this the stars , & c . are really mapped down , as ... corresponds evidently to the German nieder the celestial horizon ; that is to say , points 60 OUTLINES OF ASTRONOMY .
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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.