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" ... and therefore there is a greater probability of seeing a lunar than a solar eclipse. Since the moon is as long above the horizon as below, every spectator may expect to see half the number of lunar eclipses which happen. "
The Elements of Astronomy: Designed for the Use of Students in the University - Strona 180
autor: Samuel Vince - 1811 - Liczba stron: 297
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A treatise on astronomy

Olinthus Gilbert Gregory - 1802 - Liczba stron: 590
...lunar eclipses, as they will nearly bear the proportion of their limits, viz. about four to three. But more lunar than solar eclipses are seen at any given place ; because a lunar eclipse is visible on a whole terrestrial hemisphere at once, whereas a solar eclipse is visible only on a portion of...
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Modern Geography: A Description of the Empires, Kingdoms, States, and ..., Tom 1

John Pinkerton - 1804 - Liczba stron: 694
...34', or nearly as 3 to 2, and hence there will be more solar than lunar eclipses, in about that ratio. But more lunar than solar eclipses are seen at any...because a lunar eclipse is visible to a whole hemisphere of the earth at Once ; whereas a solar eclipse is visible to a part only, and therefore there is a...
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A New Treatise on the Use of the Globes, Or, A Philosophical View of the ...

Thomas Keith - 1811 - Liczba stron: 388
...will be more solar than lunar eclipses, in the ratio of 17° 21' to 11° 34', or nearly of 3 to 2 ; but more lunar than solar eclipses are seen at any...whereas, a solar eclipse is visible only to a part, as has been observed before ; and therefore there is a greater probability of seeing a lunar than a...
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A Compendious Treatise on the Use of the Globes, and of Maps: Compiled from ...

John Lathrop - 1812 - Liczba stron: 218
...lunar eclipses, in nearly the ratio of three to two ; but more lunar than solar eclipses are visible, because a lunar eclipse is visible to a whole hemisphere...whereas a solar eclipse is visible only to a part of a hemisphere. 319. A tide is that motion of the water in the seas and riVters by which they are...
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A Complete System of Astronomy, Tom 1

Samuel Vince - 1814 - Liczba stron: 602
...preceding year. 589. The ecliptic limits of the sun (560) are greater than those of the moon (552), and hence there will be more solar than lunar eclipses,...see half the number of lunar eclipses which happen. To compute the Time of an Occullation of a Fixed Star by the Moon. 590. Find, from the precepts and...
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A Compendious and Complete System of Modern Geography: Or, A View of the ...

Jedidiah Morse - 1814 - Liczba stron: 696
...34, or nearly as 3 to 2, and hence there will be more solar than lunar eclipses, in about that ratio. But more lunar than solar eclipses are seen at any...because a lunar eclipse is visible to a whole hemisphere of the earth at once ; whereas a solar eclipse is visible to a part only, and therefore there is a...
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A New Treatise on the Use of the Globes: Or, A Philosophical View of the ...

Thomas Keith - 1819 - Liczba stron: 380
...will be more solar than lunar eclipses, in the ratio of 17" 21' to 11° 34', or nearly of 3 to 2 ; but more lunar than solar eclipses are seen at any...whereas, a solar eclipse is visible only to a part, as has been observed before, and therefore, there is a greater probability of seeing a lunar than a...
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The Principles of Hydrostatics: Designed for the Use of Students in the ...

Samuel Vince - 1820 - Liczba stron: 472
...of the seasons of the eclipses happens every year about 19 days sooner than in the preceding-year. The ecliptic limits of the sun (313) are greater than...see half the number of lunar eclipses which happen. For the calculation of eclipses, and all the circumstances respecting them, see my Complete System...
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A New Treatise on the Use of the Globes; Or, A Philosophical View of the ...

Thomas Keith - 1821 - Liczba stron: 408
...solar eclipses are seen at any fiven place, because a lunar eclipse is visible to a whole emisphere at once ; whereas a solar eclipse is visible only to a part, as has been observed .before, and therefore there is a greater probability of seeing a lunar than a...
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A New System of Modern Geography, Or, A View of the Present State of the ...

Sidney Edwards Morse - 1822 - Liczba stron: 706
...34, or nearly as 3 to 2, and hence there will be more solar than lunar eclipse*, in about that ratio. But more lunar than solar eclipses are seen at any given place, because a lunar eclipse is risible to a whole hemisphere of the earth at once ; whereas a solar eclipse is visible to a part only,...
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