The elements of natural and experimental philosophy .. (1834)
Phillips, R. (Richard), Sir, 1767-1840, Smith, E. A · New York, M'Elrath, Bangs & Herbert · leaf 257
iptic ; iftherefore the Moon in opposition is so near one of its nodes, thatits latitude is less than half the breadth of the shadow, it will beeclipsed. But because the plane of the Moon*s orbit makes anangle of more than 5° with the plane of the ecliptic, it will fre-quently have too much… … If 3. Let S represent the Sun, Fig. SO., m the Moon between theEarth and the Sun, a E G b a portion of the Earths orbit, e and,/two places on the surface of the Earth. The dark part of theMoons shadow is called the Umbra, and the light part the Pen-umbra ; now it is evident that if a spectator be…
Physics
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