Precession is the:
A) occasional reversal in geological time of the direction of Earth's spin axis.
B) motion of Earth along its orbital path.
C) daily rotational motion of Earth.
D) very slow coning motion of Earth's axis of rotation.

Question

Quizplus · Accepted Answer

Precession refers to the slow coning motion of Earth's axis of rotation, which causes the orientation of the axis to slowly change over time. This means that the direction of the Earth's axis is not fixed, but rather moves in a circular motion over a period of about 26,000 years.

Precession Is The