thumb|Animation of free (or Euler) nutation of a sphere thumb|upright=0.6| in obliquity of a planet caused by the Gravity|gravitational forces of other nearby bodies acting upon the planet
thumb|Animation of free (or Euler) nutation of a sphere thumb|upright=0.6| in obliquity of a planet caused by the Gravity|gravitational forces of other nearby bodies acting upon the planet
Nutation () is a rocking, swaying, or nodding motion in the axis of rotation of a largely axially symmetric object, such as a gyroscope, planet, or bullet in flight, or as an intended behaviour of a mechanism.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).