What is the term for the smaller, short-term vibration superimposed on the long-term precession of the Earth's axis?

Answer

Nutation

Nutation is defined as a smaller, shorter-term nodding or vibration that is layered upon the long-term movement of precession.

What is the term for the smaller, short-term vibration superimposed on the long-term precession of the Earth's axis?

#Videos

The Earth Is Wobbling: The Precession of the Equinoxes - YouTube

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