Chapter 28 — The Moon-Mercury Synchronicity

We shall now take a look at the remarkably resonant long-term orbital periods of Mercury and our Moon. As we saw earlier, our Moon completes one precessional period from perigee to perigee every 8.84763 years or 3231.6 days. As shown in the below Chinese diagram, our Moon completes one precessional period from apogee to apogee