Respuesta :
It takes Earth's axis about 26,000 years to complete a circular "wobble." This wobble is called axial precession. Earth's axis helps determine the North Star, and axial precession helps change it.
It takes Earth's axis about 26,000 years to complete a circular "wobble." This wobble is called axial precession. Earth's axis helps determine the North Star, and axial precession helps change it.