Outlines of astronomy |
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Page xx
... orbit . Effect of 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 ...
... orbit . Effect of 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 ...
Page xxii
... orbits in general PART II . - OF THE LUNAR AND PLANETARY PERTURBATIONS . - Page 340 CHAPTER XII . Subject propounded ... orbit recedes on the plane of the disturbing on an average . Combined effect of many such disturbances . Motion of ...
... orbits in general PART II . - OF THE LUNAR AND PLANETARY PERTURBATIONS . - Page 340 CHAPTER XII . Subject propounded ... orbit recedes on the plane of the disturbing on an average . Combined effect of many such disturbances . Motion of ...
Page 219
... ORBIT . - EFFECT OF EXCENTRICITY OF THE ORBIT AND POSITION OF ITS AXIS ON CLIMATE . MEAN AND TRUE LONGITUDES OF THE NITUDE . MOTION . - -- SUN . - EQUATION OF THE CENTRE . SIDEREAL , TROPICAL , AND ANOMALISTIC YEARS . - PHYSICAL ...
... ORBIT . - EFFECT OF EXCENTRICITY OF THE ORBIT AND POSITION OF ITS AXIS ON CLIMATE . MEAN AND TRUE LONGITUDES OF THE NITUDE . MOTION . - -- SUN . - EQUATION OF THE CENTRE . SIDEREAL , TROPICAL , AND ANOMALISTIC YEARS . - PHYSICAL ...
Page 220
... orbit . ( 348. ) This variation of its angular velocity is accompanied with a corresponding change of its distance from us . The change of distance is recognized by a variation observed to take place in its apparent diameter , when ...
... orbit . ( 348. ) This variation of its angular velocity is accompanied with a corresponding change of its distance from us . The change of distance is recognized by a variation observed to take place in its apparent diameter , when ...
Page 223
... orbit ) , and announced in the following terms : - Let a line be always supposed to connect the sun , supposed in motion , with the earth , supposed at rest ; then , as the sun moves along its ellipse , this line ( which is called in ...
... orbit ) , and announced in the following terms : - Let a line be always supposed to connect the sun , supposed in motion , with the earth , supposed at rest ; then , as the sun moves along its ellipse , this line ( which is called in ...
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amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period 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 phænomena planet planetary pole portion position precession proper motions proportion recede reckoned 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 vols whole zenith