Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
З цієї книги
Результати 1-5 із 100
Сторінка xii
... Moon . Its sidereal period . Its apparent diameter . Its parallax , distance , and real diameter . First approximation to its orbit . An ellipse about the Earth in the focus . Its excentricity and inclination . Motion of its nodes and ...
... Moon . Its sidereal period . Its apparent diameter . Its parallax , distance , and real diameter . First approximation to its orbit . An ellipse about the Earth in the focus . Its excentricity and inclination . Motion of its nodes and ...
Сторінка xiii
... Moon . Its mountains and other superficial features . Indications of former volcanic activity . Its atmosphere . Climate . Radiation of heat from its surface . Rotation on its own axis . Libration . Appearance of the Earth from it ...
... Moon . Its mountains and other superficial features . Indications of former volcanic activity . Its atmosphere . Climate . Radiation of heat from its surface . Rotation on its own axis . Libration . Appearance of the Earth from it ...
Сторінка xiv
... Moon's nodes . Change of inclination . Conditions of its increase and diminu- tion . Average effect in a whole revolution . Compensation in a com- plete revolution of the nodes . Lagrange's theorem of the stability of the inclinations ...
... Moon's nodes . Change of inclination . Conditions of its increase and diminu- tion . Average effect in a whole revolution . Compensation in a com- plete revolution of the nodes . Lagrange's theorem of the stability of the inclinations ...
Сторінка xv
... Moon . Her secular acceleration . Lunar inequalities due to the action of Venus . Effect of the sphe- roidal figure of the Earth and other planets on the motions of their satellites . Of the tides . Masses of disturbing bodies deducible ...
... Moon . Her secular acceleration . Lunar inequalities due to the action of Venus . Effect of the sphe- roidal figure of the Earth and other planets on the motions of their satellites . Of the tides . Masses of disturbing bodies deducible ...
Сторінка 15
... moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a ...
... moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a ...
Інші видання - Показати все
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
Популярні уривки
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.