Outlines of AstronomyBlanchard & Lea, 1856 - 557 стор. |
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Сторінка ix
... tion of these sheets for the press . Among them is one whose discovery must ever be regarded as one of the noblest triumphs of theory . In the account here given of this discovery , I trust to have expressed myself with complete ...
... tion of these sheets for the press . Among them is one whose discovery must ever be regarded as one of the noblest triumphs of theory . In the account here given of this discovery , I trust to have expressed myself with complete ...
Сторінка xiii
... tion . Elliptic elements of a planet's orbit . Its heliocentric and geocentric place . Empirical law of planetary distances ; violated in the case of Nep- tune . The ultra - zodiacal planets . Physical peculiarities observable in each ...
... tion . Elliptic elements of a planet's orbit . Its heliocentric and geocentric place . Empirical law of planetary distances ; violated in the case of Nep- tune . The ultra - zodiacal planets . Physical peculiarities observable in each ...
Сторінка xiv
... tion of the Major Axis produced only by the tangential force . Lagrange's theorem of the conservation of the mean distances and periods . Theory of the Perihelia and Excentricities . Geometrical representation of their mo- mentary ...
... tion of the Major Axis produced only by the tangential force . Lagrange's theorem of the conservation of the mean distances and periods . Theory of the Perihelia and Excentricities . Geometrical representation of their mo- mentary ...
Сторінка 21
... tion , and constructing at each step a little body of science to meet its exigencies . The difference is that of pioneering a road through an un- traversed country and advancing at ease along a broad and beaten high- way ; that is to ...
... tion , and constructing at each step a little body of science to meet its exigencies . The difference is that of pioneering a road through an un- traversed country and advancing at ease along a broad and beaten high- way ; that is to ...
Сторінка 31
... tion ) is that of a sphere or globe . In this we also include that of the sea , which , wherever it extends , covers and fills in those inequalities and local irregularities which exist on land , but which can of course only be regarded ...
... tion ) is that of a sphere or globe . In this we also include that of the sea , which , wherever it extends , covers and fills in those inequalities and local irregularities which exist on land , but which can of course only be regarded ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
altitude amount angle angular appear apsides ascertained astronomers 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 effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric horizon inclination increase 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 perpendicular perturbations planet planetary pole portion position precession proper motions proportion recede recess reckoned refraction remarkable render respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose syzygies tangential force telescope tion Uranus variation velocity visible whole zenith