Outlines of Astronomy |
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Page viii
... nodes and inclinations , indeed , nothing equally luminous can ever be substituted for his explanation . But as respects the other dis- turbances , the point of view chosen by Newton has been aban- doned for another , which it is ...
... nodes and inclinations , indeed , nothing equally luminous can ever be substituted for his explanation . But as respects the other dis- turbances , the point of view chosen by Newton has been aban- doned for another , which it is ...
Page xii
... 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 phases . Synodic revolution or lunar month . Of ...
... 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 phases . Synodic revolution or lunar month . Of ...
Page xiv
... nodes . Conditions of their advance and recess . Cases of an exterior planet disturbed by an interior . The reverse case . In every case the node of the disturbed orbit recedes on the plane of the disturbing on an average . Com- bined ...
... nodes . Conditions of their advance and recess . Cases of an exterior planet disturbed by an interior . The reverse case . In every case the node of the disturbed orbit recedes on the plane of the disturbing on an average . Com- bined ...
Page 205
... that of the ecliptic , and intersects it in a line which passes through the place of the earth on these days . The situation of this line , or the line of the nodes of the sun's equator as it is called ,. NATURE OF THE SUN'S SPOTS . 205.
... that of the ecliptic , and intersects it in a line which passes through the place of the earth on these days . The situation of this line , or the line of the nodes of the sun's equator as it is called ,. NATURE OF THE SUN'S SPOTS . 205.
Page 206
... nodes . For simplicity , we will suppose the earth situated as it is on the 10th of March , in a line at right angles to that of the nodes , i . e . in the heliocentric longitude 170 ° 21 ' , and to remain there stationary during the ...
... nodes . For simplicity , we will suppose the earth situated as it is on the 10th of March , in a line at right angles to that of the nodes , i . e . in the heliocentric longitude 170 ° 21 ' , and to remain there stationary during the ...
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Common terms and phrases
altitude amount angle angular appear apsides ascertained astronomers 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 effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity greater heavens heliocentric horizon inclination increase 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 perpendicular perturbations planet planetary pole portion position precession proper motions proportion recede recess reckoned refraction remarkable respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose syzygies tangential force telescope tion Uranus variation velocity visible whole zenith