Chandler Wobble and Free Core Nutation: Theory and Features
Being a torque free motion of the rotating Earth, Chandler wobble is the major component in the Earth’s polar motion with amplitude about 0.05-0.2 arcsec and period about 430-435 days. Free core nutation, also called nearly diurnal free wobble, exists due to the elliptical core-mantle boundary in th...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Korean Space Science Society (KSSS)
2019-03-01
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Series: | Journal of Astronomy and Space Sciences |
Subjects: | |
Online Access: | https://doi.org/10.5140/JASS.2019.36.1.11 |