A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 163
221,614 miles; the mean distance being238,840 miles, or 60.27 times the equatorial radius of the earth.The mean parallax of the moon is 57 2, subject to a similar per-centage of change. This value of the parallax, it will be noted,indicates that the earth, as seen from the moon, has a diameter… … New Fig. 75. — Moons Path with Reference to the Sun.
Astronomy
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