en

nutation

1

Terminological databases

Kosmoseteaduse ja -tehnoloogia terminibaas

ID 576079 Last modified 20.10.2025
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Domain astronomytheoretical astronomy
nutation
  • pöörleva ning pretsesseeriva keha pöörlemistelje võnkumine pretsessioonikoonuse suhtes
  • phenomenon which causes the orientation of the axis of rotation of a spinning astronomical object to vary over time
    Good to know
    • Astronomical nutation should not be confused with nutation as defined in mechanics; the latter is present even if the source of the torques is unvarying. Reference: Barger, Vernon D., Bolz, Ray E., and Safko, John L. , 'Nutation (astronomy and Mechanics)', AccessScience, McGraw-Hill Education, 2014, https://www.accessscience.com/content/nutation-astronomy-and-mechanics/462400 [8.6.2017]
nutatsioon
Usage examples
  • Suurimat nutatsiooni põhjustab Kuu orbiidi kalde perioodiline muutumine Maa ekvaatori tasandi suhtes.
nutation
Usage examples
  • The nutation happens because of tidal forces that cause the precession of the equinoxes to vary over time so that the speed of the precession is not constant. The largest component of the Earth’s nutation has a period of 18.6 years.
astronomical nutation

Masinate terminibaas

ID 1153171 Last modified 13.01.2026
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Domain Mechanical Engineering
  • pöörleva keha pöörlemistelje kaldenurga muutmine
nutatsioon
nutation

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