Elements of theoretical and descriptive astronomy, for the use of colleges and academies (1901)
White, Charles J · New York: J. Wiley & sons · leaf 130
from the formula, when the declina-tion is equal to the latitude, and has the same name. The new moon is in the same part of the heavens that the sunis in (Art. 139), and the full moon is in the opposite part. Sincethe sun attains its least altitude in winter and its greatest insummer, new moons… … rig. 52. ratio of the radius of the earth to the distance of the moon fromthe earth, it is evident that we can determine this distance assoon as we obtain the horizontal parallax. The horizontalparallax may be found in the following manner:—In Fig. 52, let0 be the centre of the earth, EQ its…
Astronomy
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