Outlines of Astronomy |
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Page xxiv
... excentricity of the orbit and position of its axis on climate . Mean and true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Facula . Probable ...
... excentricity of the orbit and position of its axis on climate . Mean and true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Facula . Probable ...
Page xxiv
... excentricity of the orbit and position of its axis on climate . Mean and true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Faculæ . Probable ...
... excentricity of the orbit and position of its axis on climate . Mean and true longitudes of the Sun. Equation of the center . Sidereal , tropical , and anomalistic years . Physical constitution of the Sun. Its spots . Faculæ . Probable ...
Page xxvi
... excentricity . Ex- perimental illustration . Application of the foregoing principles to the Planetary theory . Compensation in orbits very nearly circular . Effects of ellipticity . General results . Lagrange's theorem of the stability ...
... excentricity . Ex- perimental illustration . Application of the foregoing principles to the Planetary theory . Compensation in orbits very nearly circular . Effects of ellipticity . General results . Lagrange's theorem of the stability ...
Page 83
... 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 ...
Page 176
... 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 ...
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Common terms and phrases
amount angle angular appear apsides ascertained astronomical atmosphere attraction axis bright calculation celestial circle coincidence comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian micrometrical moon moon's nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena phænomenon planet planetary pole portion position precession precisely proper motion proportion recede recess refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible whole zenith