Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 185
see that the breadth of the zone from whichan annular eclipse is visible may be something greater than 190 miles.In a majority of cases it is much narrower; it may even be reduced toa mere line. The Moons Relative Orbit. 140. In discussing the circumstances of an eclipse,whether local or general,… … To explain what is meant bythe moons relative orbit, let SN(Fig. 84) be the ecliptic and MNthe moons actual orbit, both pro-jected on a plane perpendicular tothe line of nodes of the moonsorbit. Let S and M be the placesof the sun and moon at the time of conjunction in longitude. Draw MA parallel…
Astronomy
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