Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
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Page ix
Sir John F. W. Herschel. followed . As regards the perturbations of the nodes and inclinations , indeed , nothing equally luminous can ever be substituted for his explanation . But as respects the other disturbances , the point of view ...
Sir John F. W. Herschel. followed . As regards the perturbations of the nodes and inclinations , indeed , nothing equally luminous can ever be substituted for his explanation . But as respects the other disturbances , the point of view ...
Page xx
... inclination . Motion of its 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 ...
... inclination . Motion of its 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 ...
Page xxii
... 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 of the planetary orbits ...
... 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 of the planetary orbits ...
Page 59
... inclination of its meridian to that of some fixed station referred to as a point to reckon from . English astro- nomers and geographers use the observatory at Greenwich for this station ; foreigners , the principal observatories of ...
... inclination of its meridian to that of some fixed station referred to as a point to reckon from . English astro- nomers and geographers use the observatory at Greenwich for this station ; foreigners , the principal observatories of ...
Page 105
... inclination to the horizon ; because , were it ever so little moved one way or other , the bubble would shift its place , and run towards the elevated side . Suppose , now , that we would ascertain whether any given line P Q be ...
... inclination to the horizon ; because , were it ever so little moved one way or other , the bubble would shift its place , and run towards the elevated side . Suppose , now , that we would ascertain whether any given line P Q be ...
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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