The wonders of the heavens, being a popular view of astronomy, including a full illustration of the mechanism of the heavens; embracing the sun, moon, and stars ... Illustrated by numerous maps and engravings (1845)
WONDERS OF THE HEAVENS. 282 degrees to an hour. Now the angle N 0 P contains same meridian. Suppose the two observers were the same number of degrees as the arc N P, and at the points A and B, whose distance A B, or dif- … same meridian at A and B, so distant from each ference of latitude, is already known ; then measure the moon's distances from the zeniths Z and z at the moment it passes the celestial meridian "Lz. A The distance M 0 of the moon may be determined as follows : — In the triangle A B 0, A 0 and 0 B…
Astronomy
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