 | Tobias Smollett - 1803 - 614 pagina’s
...the computation; which is, that a telescope with a power of penetrating into space, like my 40-feet one, has also, as it may be called, a power of penetrating...enter the eye cannot have been less than 6 years and 4-J mouths coming from that star to the observer. Hence it follows, that wheii we see an object of... | |
 | 1824 - 492 pagina’s
...this fact, he thus remarks ; ' A telescope with a power of penetrating into space, like my forty-feet one, has also, as it may be called, a power of: penetrating...rays which enter the eye, cannot have been less than six years and four months and a half coming from that star to the observer. Hence it follows, that... | |
 | Francis Jenks, James Walker, Francis William Pitt Greenwood, William Ware - 1824 - 492 pagina’s
...this fact, he thus remarks ; ' A telescope with a power of penetrating into space, like my forty.feet one, has also, as it may be called, a power of penetrating...be proved, that, when we look at Sirius, the rays whkh enter the eye cannot have been less than six years and four monthi and a halt coming from that... | |
 | Levi Washburn Leonard - 1827 - 398 pagina’s
...this fact, he thus remarks ; a telescope with a power of penetrating into space, like my forty feet one, has also, as it may be called, a power of penetrating...velocity of light, it may be proved that when we look at the star called Sirius, the THE CONSTELLATIONS. * 119 rays which enter the eye cannot have been less... | |
 | Levi Washburn Leonard - 1828 - 368 pagina’s
...consider that from the known velocity of light, it may be proved that when we look at the star called Sirius, the rays which enter the eye cannot have been less than six years and four months and a half coming from that star to the observer. Hence it follows that when... | |
 | Levi Washburn Leonard - 1830 - 350 pagina’s
...this fact, he thus remarks ; a telescope with a power of penetrating into space, like my forty feet one, has also, as it may be called, a power of penetrating...consider that from the known velocity of light, it n^ay be proved that when we look at the star called Sirius, the THE CONSTELLATIONS. 119 rays which... | |
 | Charles Bucke - 1837 - 422 pagina’s
...respective ages of the fixed stars ? No one ! Yet when it may be proved, by the velocity of light, that when we look at Sirius, the rays which enter the eye cannot have been less than six years and four months and a half coming from that star to the observer, it follows that when we... | |
 | Charles Bucke - 1841 - 344 pagina’s
...the respective ages of the fixed stars ? No one ! Yet when it may be proved by the velocity of light, that when we look at Sirius, the rays which enter the eye cannot have been less than six years and four months and a half coming from that star to the observer, it follows that when we... | |
 | Patrice Larroque - 1860 - 472 pagina’s
...ch. 18, Paris, 1838.) (2) » A télescope with a power of penetrating into space, like my 40 feet " one, has also, as it may be called, a power of penetrating...past. « To explain this, we must consider that, from thé known velocity of light, • it may be proved that, when we look at Sirius, thé rays which enter... | |
 | 1846 - 632 pagina’s
...Forty feet one, ba:t als" as it may be cntled, a power of penetrating into time past. To explain tins we must consider, that, from the known velocity of light, it may be proved, that, when we look at Siriua, the rays, which enter the eye, can not have been less than six years, ami four and a half months,... | |
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... one, has also, as it may be called, a power of penetrating into time past. To explain this, we must consider that, from the known velocity of light, it may be proved, that when we look at Sirius, the rays which enter the eye cannot have been less... 
