The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1901)
White, Charles J. (Charles Joyce), 1839-1917 · New York, J. Wiley & sons; · leaf 132
of light which it reflects from the sun. Thephases of the moon are due to the different relative positionsto the sun and the earth which it has while revolving aboutthe earth. In Fig. 54 let E be the earth, and the circle ACFH the orbitof the moon. Since the inclination of the plane of the… … Fig. 54. sun from the earth is about 387 times the distance of the moonfrom the earth, the lines ES, ES, BS, &c, drawn to the sunfrom different points of the moons orbit, may be considered to besensibly parallel. Let us first suppose the moon to be in con-junction with the sun at the point A.…
Astronomy
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