Nodal precession

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Notion

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Science and technology

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What Wikipedia says

Nodal precession is the precession of the orbital plane (more specifically, the line of nodes) of a satellite around the rotational axis of an astronomical body such as Earth. This precession is due to the non-spherical nature of a rotating body, which creates a non-uniform gravitational field.

Excerpt from the Wikipedia article “Nodal precession”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Brandir, CC BY-SA 3.0, via Wikimedia Commons.