... the sum of the apparent semi-diameters of the sun and moon. When within these limits, it is a problem of numbers and of spherical trigonometry to ascertain the nature of the eclipse, if any, which will happen, The number of eclipses of the sun and... Rudiments of Natural Philosophy and Astronomy - Page 57by Denison Olmsted - 1852 - 115 pagesFull view - About this book
| John Greig - 1816
...the sun on the western side. The number of eclipses in any year of both luminaries, cannot be fewer **than two, nor more than seven ; the most usual number is four, and it is very** uncommon to have more than six. Eclipses of the sun are more frequent than those of the moon, because... | |
| William Philipps - 1817 - 254 pages
...Astronomer, has resulted the knowledge that in any year the number of eclipses both of the Sun and Moon, **cannot be less .than two, nor more than seven; the most usual number is four** ; we rarely have more than six. If we have only two, they must be of *he Sun ; for in every year, we... | |
| William Hales - Bible - 1830
...are wider than those of lunar, in general there will be more eclipses of the sun than of the moon. **In any year, the number of eclipses of both luminaries cannot be less than two,** and these will both be of the sun, nor more than seven: the usual number is four; and it is very rare... | |
| William Hales - Bible - 1830
...are wider than those of lunar, in general there will be more eclipses of the sun than of the moon. **In any year, the number of eclipses of both luminaries cannot be less than** tiro, and these will both be of the sun, nor more than seren : the usual number is four ; and it is... | |
| Richard Watson, Nathan Bangs - Bible - 1832 - 1003 pages
...are wider than theme of lunar, in general there will be more eclipses of the sun than of the moon. **In any year, the number of eclipses of both luminaries cannot be less than two,** and these will both be of the sun, nor more than seven : the usual number is four; and it is very rare... | |
| sir Richard Phillips - 1868
...visible at any one point on the Earth's surface. The number of eclipses of both luminaries in a year **cannot be less than two nor more than seven, the most usual number** being four, two of the Sun and two of the Moon. There are seven principal planets, besides the Earth,... | |
| Elias Loomis - Astronomy - 1870 - 254 pages
...may occur. 228. Number of Eclipses in a Year. — There can not be less than two eclipses in a year, **nor more than seven. The most usual number is four, and it is** rare to have more than six. When there are seven eclipses in a year, five are of the sun and two of... | |
| Encyclopedias and dictionaries - 1880
...happen. The number of eclipse» of the sun and moon together in a year cannot be less than two, or **more than seven; the most usual number is four, and it is** rare to have more than six. The explanation of the limitation of the number of E. is connected with... | |
| Reference - 1889
...will happen. The number of eclipses of the sun and moon together in a year cannot be less than two, or **more than seven ; the most usual number is four, and it is** rare to have more than six. The explanation of the limitation of the number of eclipses is connected... | |
| Richard Gleason Greene - Encyclopedias and dictionaries - 1890
...will happen, The number of eclipses of the sun and moon together in a year cannot be less than two, or **more than seven; the most usual number is four, and it is** rare to have more than six. The explanation of the limitation of the number of E. is connected with... | |
| |