Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt and Company · leaf 193
erver here would see the moon partly projectedupon the sun, and therefore a certain part of the sunslight would be cut off. Along the inner boundary B Yand B Y the obscuration of the sun will be complete,but the amount of sunlight will gradually increase out to 174 A8TR0N0MT, the outer boundary B P… … !FlG. 61.—FIGURE OP SHADOW FOB ANNULAR ECLIPSE. the moon thrown upon the earth.* The outer of the twocircles S represents the limb of the sun. The exterior tan-gents which mark the boundary of the shadow cross eachother at F before reaching the earth. The earth beinga little beyond the vertex of…
Astronomy
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