Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Результати 6-10 із 64
Сторінка 22
... inequalities on the earth's surface , arising from mountains , valleys , buildings , & c . to the roughnesses on the rind of an orange , compared with its general mass . The comparison is quite free from exag- geration . The highest ...
... inequalities on the earth's surface , arising from mountains , valleys , buildings , & c . to the roughnesses on the rind of an orange , compared with its general mass . The comparison is quite free from exag- geration . The highest ...
Сторінка 26
... inequalities of mountains and valleys have little concern . These exercise hardly more influence in modifying their general spherical figure than the inequalities at the bottom of the sea interfere with the general sphericity of its ...
... inequalities of mountains and valleys have little concern . These exercise hardly more influence in modifying their general spherical figure than the inequalities at the bottom of the sea interfere with the general sphericity of its ...
Сторінка 71
... inequalities and vapours of the atmosphere , as well as least displaced by refraction . ( 125. ) All celestial objects within the circle of perpetual apparition come twice on the meridian , above the horizon , in every diurnal ...
... inequalities and vapours of the atmosphere , as well as least displaced by refraction . ( 125. ) All celestial objects within the circle of perpetual apparition come twice on the meridian , above the horizon , in every diurnal ...
Сторінка 86
... inequalities may be assimilated to waves ordinarily so called , on which , when large , we perceive lesser undulations to ride , and on these , again , minuter ripplings , to the series of whose subordination we can perceive no end ...
... inequalities may be assimilated to waves ordinarily so called , on which , when large , we perceive lesser undulations to ride , and on these , again , minuter ripplings , to the series of whose subordination we can perceive no end ...
Сторінка 102
... inequalities of divi- sion may be detected and neutralized . This is accomplished practically by detaching the telescope from its old bearings on the circle , and fixing it afresh , by screws or clamps , on a different part of the ...
... inequalities of divi- sion may be detected and neutralized . This is accomplished practically by detaching the telescope from its old bearings on the circle , and fixing it afresh , by screws or clamps , on a different part of the ...
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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.