 | 1826 - 796 страници
...with some interesting observations on luminous meteors, and considers them of perpetual occurrence, although daylight, clouds, and misty weather, so often...when it is considered that the glass only embraced one-twenty-fivethousandth part of the celestial hemisphere, it will be apparent that these phenomena... | |
 | 1826 - 780 страници
...the fact mentioned by our author, that in using his astronomical telescope he has often seen what arc called falling stars, shooting through the field of...when it is considered that the glass only embraced onc-twcnty-fivethousandth part of the celestial hemisphere, it will be apparent that these phenomena... | |
 | 1829 - 466 страници
...the unassisted eye ; but some conjecture may be formed of their extent from the fact mentioned by the author, that in using his astronomical telescope he...that these phenomena must be infinitely numerous, to occur so frequently in so small a space. Aurora Borealis, December 1827.— -That beautiful appearance... | |
 | Bombay Geographical Society - 1850 - 498 страници
...the unassisted eye, but some conjecture may be formed of their extent from the fact mentioned by oar author, that in using his astronomical telescope he...they were not visible to the naked eye ; and when it IB considered that the glass only embraced one-twenty-five thousandth part of the celestial hemisphere,... | |
 | 1826 - 762 страници
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... author, that, in using his astronomical telescope, he has often seen what are called falling stars, shooting through the field of view, when they were not visible to the naked eye ; and when it is considered that the glass only embraced... 