Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка 8
... perturbation than I had acquired by their mathematical investigation in detail , it may reasonably be hoped that the endeavour will not always be unattended with a similar success in others . ( 10. ) From what has been said , it will be ...
... perturbation than I had acquired by their mathematical investigation in detail , it may reasonably be hoped that the endeavour will not always be unattended with a similar success in others . ( 10. ) From what has been said , it will be ...
Сторінка 227
... perturbations and secular inequalities . Of these deviations , and their causes , we shall speak hereafter at length . It is the triumph of physical astronomy to have rendered a complete account of them all , and to have left nothing ...
... perturbations and secular inequalities . Of these deviations , and their causes , we shall speak hereafter at length . It is the triumph of physical astronomy to have rendered a complete account of them all , and to have left nothing ...
Сторінка 241
... perturbations , " but of so minute an order , that , in ordinary parlance , and for common purposes , we may leave them unconsidered . But this cannot be done in the case of the moon . Even in a single revolution , its deviation from a ...
... perturbations , " but of so minute an order , that , in ordinary parlance , and for common purposes , we may leave them unconsidered . But this cannot be done in the case of the moon . Even in a single revolution , its deviation from a ...
Сторінка 336
... perturbations have been at all enquired into † further than to verify Kepler's law of the periodic times , which holds good , mutatis mutandis , and under the requisite reservations , in this , as in the system of Jupiter . The three ...
... perturbations have been at all enquired into † further than to verify Kepler's law of the periodic times , which holds good , mutatis mutandis , and under the requisite reservations , in this , as in the system of Jupiter . The three ...
Сторінка 356
... perturbation might reconcile even greater differences , and though up to the time of our writing no such comet has yet been observed , at least another year must elapse before its return can be pronounced hopeless . - ( 575. ) In 1661 ...
... perturbation might reconcile even greater differences , and though up to the time of our writing no such comet has yet been observed , at least another year must elapse before its return can be pronounced hopeless . - ( 575. ) In 1661 ...
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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.