Changes in the orientation of Earthʹs axis over a 26,000 -year cycle is known as
A)eccentricity.
B)obliquity.
C)precession.
D)inclination.

Question

Quizplus · Accepted Answer

Precession refers to the gradual change in the direction of Earth's axis of rotation over a 26,000-year cycle. This means that the orientation of the axis changes with respect to the fixed stars, causing the positions of the constellations in the sky to appear to move over time.

Changes in the Orientation of Earthʹs Axis Over a 26,000