We have already spoken… of the lunar month as the period during which the moon returns to the same position with respect to the sun; more precisely this period (about 29 ½ days) is spoken of as a lunation or synodic month: as, however, the sun moves eastward on the celestial sphere like the moon but more slowly, the moon returns to the same position with respect to the stars in a somewhat shorter time; this period (about 27 days 8 hours) is known as the sidereal month. Again, the moon’s path on the celestial sphere is slightly inclined to the ecliptic, and may be regarded approximately as a great circle cutting the ecliptic in two nodes. . .” Does this passage contain compare and contrast organization? If so, where, and what types of signal words and phrases are used? Provide more than two reasons for your answer.
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