Through improved computer models of the Earth
Earth's Spinning Inner Core May Be Slowing Down Compared To Earth's Surface
The Earth's Inner Core ANU Research School of Earth Sciences
Years after 'the sun just disappeared', would we, for a time, have
Recently, I read somewhere that the core of the Earth changes the direction of its rotation. Is this even possible and why? - Quora
Down to Earth: Has Earth's Inner Core Stopped Spinning?
Is the spinning of the Earth that caused the Earth's magnetic
Earth's Inner Core: A Shifting, Spinning Mystery's Latest Twist - The New York Times
Earth's Inner Core May Have Started Rotating in the Opposite Direction
The Earth's core is funkier than we thought - BBC Science Focus Magazine
Is it plausible that electromagnetism is causing the Earth to spin
Análogo a la Tierra - Wikiwand
Earth's inner core may have reversed its original direction of spinning - The Week
Did the Earth's core really stop spinning or reverse direction?
The make of the Earth and its interior
How does the Earth's rotation induce its magnetic field? - Quora