 | George Adams - Astronomy - 1812 - 586 pages
...will be many parts of the globe that will suffer no eclipse, though the sun be above their horizon. An eclipse of the sun always begins on the western,...the sun's western limb, and goes off at the eastern. It is not necessary, in order to constitute a central eclipse of the sun, that the moon should be exactly... | |
 | Jacob Willetts - Geography - 1815 - 228 pages
...when the moon comes between the sun and the earth, and hinders the light of thr sun from coming to us An eclipse of the moon can never happen but at the time of full moon. An eclipse of the sun can happen only at the time of the new moon. A digit is the 12th part of the sun or moon's diameter,... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - Education - 1815 - 598 pages
...shadow of the earth, an eclipse must always take place when these three are all in one straight line. An eclipse of the moon can never happen but at the time of full moon ; but on account of the inclination of the moon's orbit to that of the earth, an eclipse cannot take... | |
 | William Nicholson - Natural history - 1819 - 370 pages
...shadow of the earth, an eclipse must always take place when these three are all in on? straight line. An eclipse of the moon can never happen but at the time of full moon ; but, on account of the inclination of the moon's orbit to that of the earth, an eclipse cannot take... | |
 | William Nicholson - Natural history - 1819 - 376 pages
...shadow of the earth, an eclipse must always take place when these three are all in one straight line. An eclipse of the moon can never happen but at the time of full moon ; but, on account of the inclination of the moon's orbit to that of the earth, an eclipse cannot take... | |
 | John Imison - Art - 1822 - 528 pages
...shadow of the earth, an eclipse must always take place when these three are all in one straight line. -An eclipse of the moon can never happen but at the time of full moon ; bot on account of the inclination of the moon's orbit to that of the earth, an eclipse camnot take... | |
 | John Imison - Art - 1822 - 588 pages
...shadow of the earth, an eclipse must always take place when these three are all in one straight line. An eclipse of the moon can never happen but at the time of foil moon ; but on account of the inclination of the moon's orbit to that of the earth, an eclipse... | |
 | Jacob Willetts - Geography - 1823 - 236 pages
...when the moon comes between the sun and the earth, and hinders the light ofthe sun from coming to us. An eclipse of the moon can never happen but at the time of full raooon An eclipse of the sun can happen only at the time of the new moon. A digit is the 12th part... | |
 | Jacob Willetts - Geography - 1826 - 230 pages
...when the moon comes between the sun and the earth, and hinders the light of the sun from coming to us. An eclipse of the moon can never happen but at the time of full moon. An r-clipse of the sun can happen only at the time of the new moon. By means of telescopes there have... | |
 | William Martin - Science - 1832 - 504 pages
...eclipse must always take place; when the Earth, the moon, and the Sun, are all in one straight line. An Eclipse of the Moon can never happen but at the time of full moon ; but on account of the inclination of the Moon's orbit to that of the Earth, an eclipse dot.s not... | |
| |
... decreases, in proportion as it recedes from the sides of the former conical shadow : this is called the penumbra. As the moon revolves round the earth, sufficiently near to pass through the shadow of the earth, an eclipse must always take place when... 
