The planetary system, a study of its structure and growth (1903)
Taylor, Frank B. (Frank Bursley), 1860- · Fort Wayne, Taylor · leaf 143
The Planetary System 122 would hold if the Moon's persistence were absolute and the ecliptic were merely tilted without rotation. If the ecliptic be supposed to have a motion of rotation that motion, combined with the persistence of the Moon's plane, would also operate to tilt the B1 -m 3 … FIG. 12. latter plane, but in a way different from that in Fig. ii. We may assume that as the Sun advances in space it moves in a plane which we may call the Sun's plane. Let it be supposed, further, that the ecliptic is inclined to the Sun's plane at an angle
Planets
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
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