Precession The gravity of the Moon & Sun act on the "bulge" at Earth's equator, causing a gradual cyclical change in the direction of the Earth's rotation axis called "precession."
(Precession; act; on the "bulge" at Earth's equator; causing a gradual cyclical change in the direction of the Earth's rotation axis) (the Earth's rotation axis; called; precession)
Precession the Earth's rotation axis
act called
on the "bulge" at Earth's equator causing a gradual cyclical change in the direction of the Earth's rotation axis
precession