KubaKuba t1_j5m0sp9 wrote on January 23, 2023 at 11:21 PM Reply to comment by justahomeboy in Earth's inner core seems to be slowing its spin according to new research published in Nature Geoscience. The study authors suggest this might be part of an approximately 70-year cycle where the core speeds up and slows down relative to the rest of the planet. by shiruken I wonder if orbit is a potential cause? I could imagine rotational artifacts from a non perfectly circular orbital path causing a rotational speed difference between the core and the shell of the earth. As a matter of fact I would be surprised if it wasn't that. Permalink Parent 3
KubaKuba t1_j5m0sp9 wrote
Reply to comment by justahomeboy in Earth's inner core seems to be slowing its spin according to new research published in Nature Geoscience. The study authors suggest this might be part of an approximately 70-year cycle where the core speeds up and slows down relative to the rest of the planet. by shiruken
I wonder if orbit is a potential cause?
I could imagine rotational artifacts from a non perfectly circular orbital path causing a rotational speed difference between the core and the shell of the earth.
As a matter of fact I would be surprised if it wasn't that.