Solar, Lunar, and Planetary Speeds: Why the Moon Describes Moods and Pluto Generations

In the first four lessons we built the celestial sphere, watched daily and yearly motion, and marked the ecliptic in 360°. The stage and ruler are ready for the actors: the Sun, Moon, and ten astrological planets move along it at vastly different speeds. Understanding these speeds gives you a key principle behind astrological classification.