What slow movement causes the North Star to change over vast timescales, though it does not significantly alter the axial tilt?

Answer

Precession

Precession is a slow, approximately 26,000-year wobble experienced by the Earth that causes the celestial pole's alignment to shift over millennia.

What slow movement causes the North Star to change over vast timescales, though it does not significantly alter the axial tilt?

#Videos

The Earths Tilt - YouTube

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