Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
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Page xiv
... Moon's habitability , the cause of the acceleration of Encke's comet , & c . , and a few numerical errors are corrected which have hitherto escaped notice and public comment as blemishes , -as for example , in some of the numbers in Art ...
... Moon's habitability , the cause of the acceleration of Encke's comet , & c . , and a few numerical errors are corrected which have hitherto escaped notice and public comment as blemishes , -as for example , in some of the numbers in Art ...
Page xx
... Moon . Its sidereal period . Its apparent diameter . Its parallax , distance , and real diameter . First ... Moon to be an opaque solid . Its light derived from the Sun. Its phases . Synodic revolution or lunar month . Harvest Moon XX ...
... Moon . Its sidereal period . Its apparent diameter . Its parallax , distance , and real diameter . First ... Moon to be an opaque solid . Its light derived from the Sun. Its phases . Synodic revolution or lunar month . Harvest Moon XX ...
Page xxi
... Moon . Its mountains and other superficial features . Indications of former volcanic activity . Its atmo- sphere ... Moon's figure in the direction of the Earth . Its habitability not impossible . Charts , models , and photographs of its ...
... Moon . Its mountains and other superficial features . Indications of former volcanic activity . Its atmo- sphere ... Moon's figure in the direction of the Earth . Its habitability not impossible . Charts , models , and photographs of its ...
Page xxii
... Moon's nodes . Change of inclination . Conditions of its increase and diminu- tion . Average effect in a whole revolution . Compensation in a com- plete revolution of the nodes . Lagrange's theorem of the stability of the inclinations ...
... Moon's nodes . Change of inclination . Conditions of its increase and diminu- tion . Average effect in a whole revolution . Compensation in a com- plete revolution of the nodes . Lagrange's theorem of the stability of the inclinations ...
Page 16
... moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a ...
... moon and stars also set and rise again in all points of the visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a ...
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Common terms and phrases
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 effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere 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 perturbations phænomena planet planetary pole portion position precession precisely proper motions proportion recede recess reckoned refraction remarkable render respect result revolution revolving right ascension ring 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