Outlines of Astronomy |
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Page xxv
... planets . The stations and retrogradations . The Sun their natural center of motion . Inferior planets . Their ... planet's orbit . Its heliocentric and geocentric place . Empirical law of planetary distances ; violated in the case ...
... planets . The stations and retrogradations . The Sun their natural center of motion . Inferior planets . Their ... planet's orbit . Its heliocentric and geocentric place . Empirical law of planetary distances ; violated in the case ...
Page xxvi
... PLANETARY PERTURBATIONS . Page 370 CHAPTER XII . Subject propounded . Problem of three bodies . Superposition of ... planet disturbed by an interior . The reverse case . In every case the node of the dis- turbed orbit recedes on the ...
... PLANETARY PERTURBATIONS . Page 370 CHAPTER XII . Subject propounded . Problem of three bodies . Superposition of ... planet disturbed by an interior . The reverse case . In every case the node of the dis- turbed orbit recedes on the ...
Page 194
... planet * ) — including the sun , moon , and planets , as well as the singular class of bodies termed comets , in whose apparent places among the stars , and among each other , the observation of a few days , or even hours , is ...
... planet * ) — including the sun , moon , and planets , as well as the singular class of bodies termed comets , in whose apparent places among the stars , and among each other , the observation of a few days , or even hours , is ...
Page 301
... PLANETS . — THEIR DISTANCES , PERIODS , ETC .—— KEP- LER'S LAWS AND THEIR INTERPRETATION . - ELLIPTIC ELEMENTS OF A PLANET'S ORBIT . - ITS HELIOCENTRIC AND GEOCENTRIC PLACE - EMPIRICAL LAW OF PLANETARY DISTANCES ; -VIOLATED IN THE CASE ...
... PLANETS . — THEIR DISTANCES , PERIODS , ETC .—— KEP- LER'S LAWS AND THEIR INTERPRETATION . - ELLIPTIC ELEMENTS OF A PLANET'S ORBIT . - ITS HELIOCENTRIC AND GEOCENTRIC PLACE - EMPIRICAL LAW OF PLANETARY DISTANCES ; -VIOLATED IN THE CASE ...
Page 303
... planet when mapped down by observation from day to day , will offer the R N S appearance PQRS , & c .; the motion ... planet crosses the ecliptic , as at N in the figure , it is said ( like the moon ) to be in its node ; and as the earth ...
... planet when mapped down by observation from day to day , will offer the R N S appearance PQRS , & c .; the motion ... planet crosses the ecliptic , as at N in the figure , it is said ( like the moon ) to be in its node ; and as the earth ...
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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