Outlines of Astronomy |
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Page xxiv
... 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 xxiv
... 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 xxv
... orbit by gravity . Its law of diminution . Laws of elliptic motion . Orbit of the Earth round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface ...
... orbit by gravity . Its law of diminution . Laws of elliptic motion . Orbit of the Earth round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface ...
Page 219
... ORBIT . - EFFECT OF EXCENTRICITY OF THE ORBIT AND POSITION OF ITS AXIS ON CLIMATE . MEAN AND TRUE LONGITUDES OF THE SUN . - EQUATION OF THE CENTRE . SIDEREAL , TROPICAL , AND ANOMALISTIC YEARS . -PHYSICAL CONSTITUTION OF THE SUN ...
... ORBIT . - EFFECT OF EXCENTRICITY OF THE ORBIT AND POSITION OF ITS AXIS ON CLIMATE . MEAN AND TRUE LONGITUDES OF THE SUN . - EQUATION OF THE CENTRE . SIDEREAL , TROPICAL , AND ANOMALISTIC YEARS . -PHYSICAL CONSTITUTION OF THE SUN ...
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 ...
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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