Popular Astronomy, And, The Orbs of HeavenG. Routledge and Sons, 1860 |
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Sida 7
... thousand years . As this is a matter of simple observation , and as the rate of motion can be obtained by comparing recorded observations , made at intervals of four hundred or five hundred years , we may readily credit the statement ...
... thousand years . As this is a matter of simple observation , and as the rate of motion can be obtained by comparing recorded observations , made at intervals of four hundred or five hundred years , we may readily credit the statement ...
Sida 13
... thousand fold beyond that with which he is endowed by nature . DISCOVERIES OF THE MODERNS . - The rude instruments employed by the early astronomers sufficed to fix the places of the sun and the other heavenly bodies with sufficient ...
... thousand fold beyond that with which he is endowed by nature . DISCOVERIES OF THE MODERNS . - The rude instruments employed by the early astronomers sufficed to fix the places of the sun and the other heavenly bodies with sufficient ...
Sida 20
... thousand times , transports the observer over a vast proportion of the distance . separating him from the solar orb , and plants him in space within 95,000 miles of the sun's surface , there to examine the phenomena revealed to his ...
... thousand times , transports the observer over a vast proportion of the distance . separating him from the solar orb , and plants him in space within 95,000 miles of the sun's surface , there to examine the phenomena revealed to his ...
Sida 24
... thousand pounds of coal per hour on each square foot of the sun's surface to produce a heat equal to that radiated from the solar orb . When an image of the sun is received on any surface , it is found that the central point of the ...
... thousand pounds of coal per hour on each square foot of the sun's surface to produce a heat equal to that radiated from the solar orb . When an image of the sun is received on any surface , it is found that the central point of the ...
Sida 29
... thousand miles an hour , and performing its entire revolution about the sun in about eighty - eight of our days . In case this world has the same variety of seasons which mark the surface of our own earth , these will follow each other ...
... thousand miles an hour , and performing its entire revolution about the sun in about eighty - eight of our days . In case this world has the same variety of seasons which mark the surface of our own earth , these will follow each other ...
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Popular Astronomy, And, The Orbs of Heaven Ormsby MacKnight Mitchel Obegränsad förhandsgranskning - 1860 |
Popular Astronomy, And, the Orbs of Heaven Denison Olmsted,Ormsby MacKnight Mitchel Ingen förhandsgranskning - 2015 |
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absolute actually angle aphelion appear astronomer attraction axis celestial celestial sphere centre centrifugal force circle circular clock comet commenced computed Copernicus curve determined diameter direction disc discovered discovery earth earth's orbit eccentricity ecliptic entire equal equator exact examination existence fact fall figure fixed stars force Galileo grand Halley's comet heavenly bodies heavens hence Herschel Hipparchus hypothesis inclination increase instrument investigation John Herschel Jupiter Kepler laws of Kepler light longitude magnitude Mars mass mean distance measure Mercury meridian miles mind minute moon moon's orbit motion move movements nearly Newton object observation observatory parallax pass perihelion period of revolution phenomena planet planetary orbits pole position precisely present problem Ptolemy reached revolving right ascension ring rotation round satellites Saturn seen sidereal solar system space sphere sun's surface sweeping telescope theory thousand tion truth Uranus velocity Venus vernal equinox visible
Populära avsnitt
Sida 220 - ... night, and month and year, till youth shall wear away, and middle age is gone, and the extremest limit of human life has been attained ; count every pulse, and at each speed on your way a hundred thousand miles ; and when a hundred years have rolled by, look out, and behold ! the thronging millions of blazing suns are still around you, each separated from the other by such a distance that in this journey of a century you have only left half a score behind you.
Sida 194 - Then the man sighed, and stopped, and shuddered, and wept. His overladen heart uttered itself in tears; and he said, " Angel, I will go no farther; for the spirit of man acheth with this infinity.
Sida 221 - 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...
Sida 151 - we calculated from morning till night, sometimes even at meals ; the consequence of which was, that I contracted an illness which changed my constitution .during the remainder of my life. The assistance rendered by Madame Lepaute was such, that without her we never should have dared to undertake the enormous...
Sida 194 - And from all the listening stars that shone around issued a choral voice, " The man speaks truly ; end there is none that ever yet we heard of ! " " End is there none ? " the angel solemnly demanded ; " Is there indeed no end ? And is this the sorrow that kills you ? " But no voice answered, that he might answer himself. Then the angel threw up his glorious hands to the heaven of heavens saying, " End is there none to the universe of God.
Sida 34 - ... closer, until, reaching forward with piercing intellectual vigor, he at last finds a new moon which occurs precisely at the computed time of her passage across the sun's track. Here he makes his stand, and on the day of the occurrence of that new moon he announces to the startled inhabitants of the world that the sun shall expire in dark eclipse.
Sida 220 - ... 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? weigh the earth on which we dwell, then count the millions of its inhabitants that have come and gone for the last six thousand years. Unite their strength into one arm, and test its power in an effort to move this earth. It...
Sida 265 - Scriptures), that the sun is the centre of the world, and that it does not move from east to west, and that the earth does move, and is not the centre of the world...
Sida 1 - In this boundless field of investigation, human genius has won its most signal victories. Generation after generation has rolled away, age after age has swept silently by; but each has swelled, by its contributions, the stream of discovery.
Sida 194 - End is there none?" the angel solemnly demanded: " Is there indeed no end ? And is this the sorrow that kills you ? " But no voice answered, that he might answer himself. Then the angel threw up his glorious hands to the heaven of heavens ; saying, " End is there none to the universe of God ? Lo ! also there is no Beginning.