The Architecture of the Heavens, Том 80

61 CYGNI amid apparent magnitudes appear arrangements assuredly astronomer binary systems bodies CENTAURI central centre chart cluster comparatively compression connexion considerations constitution course depths diagram direction disc discern distance double stars ellipse existence extraordinary fact farther foregoing galaxy globular globular cluster gorgeous grand gravity heavens hypothesis idea illustration imagined immense indicate infer infinite inquiry instance instrument irregular light limit Lord Rosse luminary magnitude majestic mass Milky mirror MIZAR mysterious naked eye nature number of stars object observation Octavo optical orbit orbs Parsonstown peculiar penetrate period phenomena planet planetary planetary nebula PLEIADES position precise present probability proper motions proximity refer regard regions relations remarkable remote right ascension scheme seemed seen separate shape singular Sir JOHN HERSCHEL skies solar space speculation sphere spherical spiral of Plate splendour starry stellar stratum STRUVE stupendous supposed telescope tion truth universe velocity volume wonder zone