(1) I don’t think you understand the basis of his calcs. The article does seem to have some missing info, I grant you that.
(2) Do you have an possible physical model that could expalin the MEASUREMENTS that have been made?
Fishtank, Ph.D., Mechanical Engineering
A bit.
IF we believe the article, we cannot explain the clearly documented magnetic field reversals in the Earth's geological record.
Mars and Mercury have approximately the same mass. Mercury has a magnetic field. Mars, not so much.
Earth and Venus? Same story.
IF we believe the premise, all equal mass planets should have identical magnetic fields.
They don't.