An Introduction to Astronomy ...J. Nunn, 1816 - 428 páginas |
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Página 8
... periods of time . Had their motions been as various and mutable as those which are observed upon the earth , we should ... period , we are obliged to have recourse to other observations than those which depend upon the ap- pearance and ...
... periods of time . Had their motions been as various and mutable as those which are observed upon the earth , we should ... period , we are obliged to have recourse to other observations than those which depend upon the ap- pearance and ...
Página 29
... period likewise in which it per- forms its course round the sun , is a mean between the periods of those planets , being greater than the one , and less than the other , as would naturally follow from such a motion . The absurdity ...
... period likewise in which it per- forms its course round the sun , is a mean between the periods of those planets , being greater than the one , and less than the other , as would naturally follow from such a motion . The absurdity ...
Página 39
... periods , distances , bulks , & c . of the planets , will be best acquired from the following table , which is formed from the latest observations of the best modern astronomers . A minute exactness in these matters , cannot be easily ...
... periods , distances , bulks , & c . of the planets , will be best acquired from the following table , which is formed from the latest observations of the best modern astronomers . A minute exactness in these matters , cannot be easily ...
Página 55
... periods ; some are too slow , and others too swift to be perceived by us . So that wherever we turn ourselves , we are lost in an endless labyrinth ; and find fresh reasons , at every step , to adore and venerate that Being , whose ...
... periods ; some are too slow , and others too swift to be perceived by us . So that wherever we turn ourselves , we are lost in an endless labyrinth ; and find fresh reasons , at every step , to adore and venerate that Being , whose ...
Página 60
... periods . In this new system of Tycho's , there is some in- genuity , though but little conformity to truth and observation . For having rejected the diurnal ro- tation of the earth on its axis , he was obliged to retain the most absurd ...
... periods . In this new system of Tycho's , there is some in- genuity , though but little conformity to truth and observation . For having rejected the diurnal ro- tation of the earth on its axis , he was obliged to retain the most absurd ...
Términos y frases comunes
ancient angle appear astronomers axis bodies called celestial centre Ceres circle clock comets dark degrees determined diameter disc discovered discoveries diurnal diurnal rotation doctrine earth eclipse epact equal equator fall figure fixed stars force globe gravity greater greatest half heavens hemisphere horizon hundred idea imagined instrument Jupiter Kepler latitude less Libra light longitude lunar lunar eclipse magnitude manner measure Mercury meridian method millions of miles minutes moon moon's motion move round nature Newton night nodes noon north pole northern northern hemisphere observed occasioned orbit parallax pass perceive perihelion phænomena phænomenon philosophers planets pole reckoned revolution revolves round rotation round the earth round the sun satellites Saturn seconds seen situation solar southern constellation space sun and moon sun's supposed surface tance telescope things thousand tion toises twelve Tycho Brahe Uranus Venus Vesta Villejuif whilst zenith
Pasajes populares
Página 58 - Or, if they list to try Conjecture, he his fabric of the Heavens Hath left to their disputes — perhaps to move His laughter at their quaint opinions wide Hereafter, when they come to model Heaven, And calculate the stars; how they will wield The mighty frame; how build, unbuild, contrive To save appearances; how gird the Sphere With Centric and Eccentric scribbled o'er, Cycle and Epicycle, orb in orb.
Página 289 - Or of the eternal co-eternal beam, May I express thee unblamed ? since God is light, And never but in unapproached light Dwelt from eternity, dwelt then in thee, Bright effluence of bright essence increate. Or hear'st thou rather pure ethereal stream, Whose fountain who shall tell?
Página 332 - He scarce had ceased, when the superior fiend Was moving toward the shore: his ponderous shield, Ethereal temper, massy, large, and round, Behind him cast; the broad circumference Hung on his shoulders like the moon, whose orb Through optic glass the Tuscan artist views, At evening, from the top of Fesole, Or in Valdarno, to descry new lands, Rivers, or mountains, in her spotty globe.
Página 382 - Less than archangel ruined, and the excess Of glory obscured ; as when the sun, new risen, Looks through the horizontal misty air Shorn of his beams, or from behind the moon, In dim eclipse, disastrous twilight sheds On half the nations, and with fear of change Perplexes monarchs.
Página 294 - Horrid with frost and turbulent with storm, Blows autumn, and his golden fruits, away : Then melts into the spring : soft spring, with breath Favonian, from warm chambers of the south, Recalls the first.
Página 289 - Or hear'st thou rather pure ethereal stream, Whose fountain who shall tell? Before the sun, Before the heavens thou wert, and at the voice Of God, as with a mantle didst invest The rising world of waters dark and deep, Won from the void and formless infinite.
Página 289 - His mirror, with full face borrowing her light From him, for other light she needed none In that...
Página 401 - This Being governs all things, not as the Soul of the World, but as Lord over all; and, on account of his dominion, he is wont to be called Lord God, or Universal Ruler.
Página 400 - This most beautiful System of the Sun, Planets, and Comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.
Página 76 - Works in the secret deep; shoots, steaming, thence The fair profusion that o'erspreads the Spring: Flings from the sun direct the flaming day; Feeds every creature ; hurls the tempest forth ; And, as on earth this grateful change revolves, With transport touches all the springs of life.