5 A flat earth doesn't have an inner core wobble, whatever the inner core may be. (phys.org) posted 342 days ago by Michalusmichalus 342 days ago by Michalusmichalus +6 / -1 Challenging assumptions: The 8.5-year rhythm of Earth's inner core Researchers from China have confirmed the existence of an approximately 8.5-year Inner Core Wobble (ICW) in both polar motion and length-of-day variations, revealing a static tilt of about 0.17 degrees between the Earth's inner core and mantle, challenging... 3 comments share 3 comments share save hide report block hide replies
https://phys.org/news/2023-12-assumptions-year-rhythm-earth-core.html