Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York : H. Holt and company · leaf 195
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 ASTRONOMT. the outer boundary B P… … Pig. 61.—^PIGITRB OP SHADOW FOR ANTfTTLAR 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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