Assertion: precession | /r/HasAspect | two components
Facets:
Source sentences:
text: On the other hand, precession has two components.
text: Precession has two components: an axial precession, in which the torque of the other planets exerted on the Earth's equatorial bulge causes the rotational axis to gyrate like a spinning top; an elliptical precession, in which the elliptical orbit of the Earth itself rotates about one focus."(source) Precession occurs over a period of 22,000 years.