Commenting the 11-year sunspot cycle, Wolf (1859, MNRAS 19, 85-86) conjectured that "the variations of spot frequency depend on influences Venus, Earth, Jupiter, and Saturn". The high synchronization our planetary system is already nicely revealed by fact ratios orbital radii are closely related to each other through a scaling-mirror symmetry equation (Bank Scafetta, Front. Astron. Space Sci. 8...