Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xii
... excentricity and inclination . Motion of its nodes and apsides . Of occultations and solar eclipses generally . Limits within which they are possible . They prove the Moon to be an opaque solid . Its light derived from the Sun. Its ...
... excentricity and inclination . Motion of its nodes and apsides . Of occultations and solar eclipses generally . Limits within which they are possible . They prove the Moon to be an opaque solid . Its light derived from the Sun. Its ...
Сторінка xiv
... excentricities . Geometri- cal representation of their momentary variations . Estimation of the disturbing forces in nearly circular orbits . Application to the case of the Moon . Theory of the lunar apsides and excentricity . Ex ...
... excentricities . Geometri- cal representation of their momentary variations . Estimation of the disturbing forces in nearly circular orbits . Application to the case of the Moon . Theory of the lunar apsides and excentricity . Ex ...
Сторінка 82
... excentricity lies , will appear by that fractional amount too small , and all on the opposite side too large . And , 2dly , that whatever be the amount of the excentricity , and on whatever part of the circle any proposed angle is ...
... excentricity lies , will appear by that fractional amount too small , and all on the opposite side too large . And , 2dly , that whatever be the amount of the excentricity , and on whatever part of the circle any proposed angle is ...
Сторінка 163
... excentricity of the centre of motion of the hands ; -and , 3dly , if we were fully ac- quainted with all the mechanism which put the hands in motion , so as to be able to say at every instant what were their velocity of movement , and ...
... excentricity of the centre of motion of the hands ; -and , 3dly , if we were fully ac- quainted with all the mechanism which put the hands in motion , so as to be able to say at every instant what were their velocity of movement , and ...
Сторінка 206
... excentric , the excentricity amounting to 0.01679 of the mean distance , which may be regarded as our unit of measure in this inquiry . But besides this , the form of the orbit is not circular , but elliptic . If from any point O ...
... excentric , the excentricity amounting to 0.01679 of the mean distance , which may be regarded as our unit of measure in this inquiry . But besides this , the form of the orbit is not circular , but elliptic . If from any point O ...
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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.