Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 111
d Z the moon. Thearrows indicate the direction in which each is moving. Whenthe earth is at T, and the moon at Z, the latter is in conjunc-tion. When the earth has reached T, and the moon Z, thelatter has made a sidereal revolution; but she will not bein conjunction again till the earth has reached… … Fig in. As the moon advances towards quadrature, the crescentgrows thicker and thicker, till it becomes a half-circle at ASTRONOMY. 95 first quarter. When it passes quadrature, it begins to becomeconvex also on the side away from the sun, or gibbons inform. As it approaches opposition, it becomes…
Astronomy
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