Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xiv
... force . Its geometrical repre- sentation . Numerical estimation in particular cases . Resolution into rectangular components . Radial , transversal , and orthogonal dis- turbing forces . Normal and tangential . Their characteristic ...
... force . Its geometrical repre- sentation . Numerical estimation in particular cases . Resolution into rectangular components . Radial , transversal , and orthogonal dis- turbing forces . Normal and tangential . Their characteristic ...
Сторінка 138
... force ge- nerates a tendency in all the water to leave the axis , and press towards the circum- ference ; it is , therefore , urged against the pail , and forced up its sides , till the excess of height , and consequent increase of pre ...
... force ge- nerates a tendency in all the water to leave the axis , and press towards the circum- ference ; it is , therefore , urged against the pail , and forced up its sides , till the excess of height , and consequent increase of pre ...
Сторінка 140
... force * , which , at the equator , appears to be th part of the force or weight by which all bodies , whether solid or liquid , tend to fall towards the earth . By this fraction of its weight , then , the sea at the equator is lightened ...
... force * , which , at the equator , appears to be th part of the force or weight by which all bodies , whether solid or liquid , tend to fall towards the earth . By this fraction of its weight , then , the sea at the equator is lightened ...
Сторінка 144
... force urging any given weight to the earth may be determined , consists in ascertaining the velocity imparted by it to the weight when suffered to fall freely in a given time , as one second . This velocity cannot , indeed , be directly ...
... force urging any given weight to the earth may be determined , consists in ascertaining the velocity imparted by it to the weight when suffered to fall freely in a given time , as one second . This velocity cannot , indeed , be directly ...
Сторінка 145
... force ; the centrifugal force produces an ellipticity in the form of the earth itself ; and this very ellipticity of form modifies its power of attraction on bodies placed at its surface , and thus gives rise to the dif- ference in ...
... force ; the centrifugal force produces an ellipticity in the form of the earth itself ; and this very ellipticity of form modifies its power of attraction on bodies placed at its surface , and thus gives rise to the dif- ference in ...
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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.