| John Keill - 1739 - 504 pages
...twelve Degrees and fome odd Minutes ; which is called the diurnal Motion of the Moon from the Suv. IF the Plane of the Moon's Orbit coincided with the Plane of the Ecliptick, that is, if the Earth and Mom moved both in the fame Plane, the Way of the Moon in the Heavens... | |
| John Pinkerton - 1804 - 694 pages
...and therefore it must happen when the moon is in conjunction with the sun, or at the neis moon. 143. If the plane of the moon's orbit coincided with the...the ecliptic, there -would be an eclipse at every conjunction and opposition ; but the plane of the moon's orbit being inclined to the pltuui of the... | |
| Samuel Vince - 1814 - 602 pages
...MOON, AND OCCULTATIONS OF FIXED STARS' BY THE MOON. Art. 543. AN eclipse of the Moon is caused by its entering into the earth's shadow, and consequently...ecliptic, there can be no eclipse at opposition or con^ junction, unless at that time the moon be at, or near to the node. For let no. J\famb be the orbit... | |
| Jedidiah Morse - 1814 - 696 pages
...moon, or when she is in opposition to the sun, as the shadow of the earth must lie opposite to the sun. An eclipse of the sun is caused by the interposition...of the ecliptic, there would be an eclipse at every conjunction and opposition ; but the plane of the moon's orbit being inclined to the plane of the ecViptic,... | |
| Sidney Edwards Morse - 1822 - 706 pages
...between the earth and sun, and therefore it must happen when the inoon is in conjunction with the »un, or at the new moon. If the plane of the moon's orbit...of the ecliptic, there would be an eclipse at every conjunction and opposition ; but the plane of the moon's orbit being inclined to the plane of the ecliptic,... | |
| John Vose - 1827 - 262 pages
...trigonometry, the mean distance 217 semi-diameters, equal to 864,094 miles. If the moon revolved in the plane of the ecliptic, there would be an eclipse at every full or change. But her orbit being inclined to the plane of the ecliptic, in an angle of 5° 9' 3",... | |
| Joseph Guy - 1832 - 412 pages
...happen when the moon is in opposition to the sun, that is, at the full moon, as plate XIV. fig. 1. If the plane of the moon's orbit coincided with the...an eclipse at every opposition and conjunction; but as that is not the case, there can be no eclipse at opposition or conjunction, unless at that time... | |
| John Gummere - 1842 - 516 pages
...former. It must, therefore, occur when the moon is in opposition, that is, at the time of full moon. If the moon's orbit coincided with the plane of the ecliptic, there would necessarily be an eclipse of the sun at every new moon, since the moon would in that case pass directly... | |
| Joseph Guy - 1845 - 370 pages
...happen when the moon is in opposition to the sun, that is, at the full moon, as plate XIV. fig. 1. If the plane of the moon's orbit coincided with the...eclipse at every opposition and conjunction ; but as that is not the case, there can be no eclipse at opposition or conjunction, unless at that time... | |
| Anna Cabot Lowell - 1850 - 378 pages
...earth, and never, unless it falls very obliquely, covers more than 170 linear miles of its surface. If the moon's orbit coincided with the plane of the ecliptic there would be a lunar eclipse every full moon, and a solar eclipse every new moon ; the moon would be eclipsed to... | |
| |