The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern AstronomyPartridge and Oakey, 1852 - 301 páginas |
Dentro del libro
Resultados 1-5 de 53
Página 36
... miles in every minute , for a thousand years ; nay , should it sweep on- ward at the same distance for ten thousand years , this stupendous distance cannot bury it from the persecuting gaze of man . But if distance is to form no barrier ...
... miles in every minute , for a thousand years ; nay , should it sweep on- ward at the same distance for ten thousand years , this stupendous distance cannot bury it from the persecuting gaze of man . But if distance is to form no barrier ...
Página 82
... miles , was absolutely nothing , when compared with that mighty distance . Under these circumstances , it is not wonderful that Copernicus should have promulged his system with extreme diffidence and only after long delay ; indeed his ...
... miles , was absolutely nothing , when compared with that mighty distance . Under these circumstances , it is not wonderful that Copernicus should have promulged his system with extreme diffidence and only after long delay ; indeed his ...
Página 108
... miles from the sun , be counted as unity , removing the planet to double the distance , or to two hun- dred millions of miles , the sun's influence over it 108 STRUCTURE OF THE UNIVERSE .
... miles from the sun , be counted as unity , removing the planet to double the distance , or to two hun- dred millions of miles , the sun's influence over it 108 STRUCTURE OF THE UNIVERSE .
Página 109
... miles , the sun's influence over it would be reduced to one - fourth of its former value . With Kepler this wonderful conjecture always remained without proof . He had placed it on record , and succeeding philosophers had treated it ...
... miles , the sun's influence over it would be reduced to one - fourth of its former value . With Kepler this wonderful conjecture always remained without proof . He had placed it on record , and succeeding philosophers had treated it ...
Página 111
... miles . We now return to the examination of the great question of a central force , and to the discovery of its law of action . Allow me in the out - set to explain , with extreme simplicity , the assumed law , whose truth or falsehood ...
... miles . We now return to the examination of the great question of a central force , and to the discovery of its law of action . Allow me in the out - set to explain , with extreme simplicity , the assumed law , whose truth or falsehood ...
Otras ediciones - Ver todas
Términos y frases comunes
absolute accomplished actually angle aphelion appear astonishing astronomer axis beautiful body bright celestial sphere centre circle cluster comet commenced computed constellations Copernicus curve detected determined diameter direction discovery double stars earth earth's orbit eccentricity eclipse efforts entire equal equator examination existence fact finally fixed stars force grand Halley's comet heavens Herschel Hipparchus hundred inclined increase influence instruments investigation Jupiter Kepler law of gravitation Leverrier light limits magnitude mass matter mean distance mighty miles millions mind moon moon's move movements mysterious nearly night object observation observatory orbs parallax pass perihelion periods of revolution perturbations phenomena philosopher planet planetary orbits position precisely primitive problem proper motion Ptolemy reached regions of space remarkable retrograde motion revealed revolving rotation round satellite Saturn slowly solar system sphere sun and moon sun's sweeping telescope theory thousand tion truth Uranus vast velocity wonderful
Pasajes populares
Página 264 - God called up from dreams a man into the vestibule of heaven, saying, ' Come thou hither and see the glory of my house.' And to the servants that stood around his throne he said, ' Take him and undress him from his robes of flesh ; cleanse his vision and put a new breath into his nostrils ; only touch not with any change his human heart — the heart that weeps and trembles.
Página 116 - GRAVITATION.* — Every particle of matter in the universe attracts every other particle of matter with a force directly proportional to its mass, and decreasing as the square of the distance Fig.
Página 301 - What is man, that thou art mindful of him? and the son of man, that thou visitest him? For thou hast made him a little lower than the angels, and hast crowned him with glory and honour. Thou madest him to have dominion over the works of thy hands ; thou hast put all things under his feet...
Página 63 - He who had raised himself immeasureably above his race, who must have been regarded by his fellows as little less than a god, who had inscribed his fame on the very heavens, and had written it in the sun, with a " pen of iron, and the point of a diamond," even this one has perished from the earth ; name, age, country, are all swept into oblivion.
Página 63 - ... inscribed his fame on the very heavens, and had written it in the sun, with a " pen of iron, and the point of a diamond," even this one has perished from the earth ; name, age, country, are all swept into oblivion. But his proud achievement stands. The monument reared to his...
Página 62 - Bold prediction ! Mysterious prophet ! with what scorn must the unthinking world have received this solemn declaration ! How slowly do the moons roll away, and with what intense anxiety does the stern philosopher await the coming of that day which should crown him with victory, or dash him to the ground in ruin and disgrace ! Time to him moves on leaden wings ; day after day, and at last hour after hour, roll heavily away.
Página 18 - Often have I swept backward in imagination six thousand years, and stood beside our Great Ancestor, as he gazed, for the first time, upon the going down of the sun. What strange sensations must have swept through his bewildered mind, as he watched the last departing ray of the sinking orb, unconscious whether he should ever behold its return ! Wrapt in a maze of thought, strange and startling, his eye long lingers about the point, at which the sun had slowly faded from his view.
Página 61 - To • predict an eclipse of the sun, he must sweep forward from new moon to new moon, until he finds some new moon which should occur while the moon was in the act of crossing from one side to the other of the sun's track. This certainly was possible. He knew the exact period from new moon to new moon, and from one crossing of the ecliptic to another. With eager eye he seizes the moon's place in the heavens, and her age, and rapidly computes where she will be at her next change.
Página 17 - The . starry heavens do not display their glittering constellations in the glare of day, while the rush and turmoil of business incapacitate man for the enjoyment of their solemn grandeur. It is in the stillness of the midnight hour, when all nature is hushed in repose, when the hum of the world's on-going is no longer heard, that the planets roll and shine, and the bright stars, drooping through the deep heavens, speak to the willing spirit that would learn their mysterious being.
Página 299 - Would you gather some idea of the eternity past of God's existence, go to the astronomer, and bid him lead you with him in one of his walks through space ; and as he sweeps outward from object to object, from universe to universe, remember that the light from those filmy stains on the deep pure blue of heaven, now falling on your eye, has been traversing space for a million of years. Would you gather some knowledge of the omnipotence of God...