Newcomb, Simon, 1835-1909 · New York, Harper & brothers · leaf 53
lipse is visible only along a belt which may not average more than a hundred miles across. In most eclipses, the shadow comes to a point before it reaches the earth ; in this case, the apparent angular diameter of the moon is less than that of the sun, and there can be no total eclipse. But if an… … Fig. 9.— Eclipse of the moon, the latter being in the shadow of the earth. The earth being much larger than the moon, its shadow ex- tends far beyond it; and where it reaches the moon, it is al- ways so much larger than the latter that she may be wholly immersed in it, as shown in the figure. Xow,…
Astronomy
Internet Archive · Wellesley College Library · Public domain (published before 1931). Free to use for anything.