Through improved computer models of the Earth
Earth's inner core may have started spinning in the other direction, study says - CBS News
Análogo a la Tierra - Wikiwand
Earth's Core Spins Faster than Earth
EarthSky Earth's lopsided core? Strangeness in our planet's interior
Analogo terrestre - Wikipedia
Varför säger vi att tyngdkraften verkar mot mitten, även om
Earth's core might now be spinning in the opposite direction, study finds - National
Earth's Inner Core May Be Reversing Its Rotation, Study Finds - WSJ
Does Earth's magnetic field keeps the planet spinning? - Quora
Varför kyls aldrig jordens kärna ner? - Quora
Why Earth's Inner Core May Be Slowing Down
Earth's Magnetic Field Is Going To Flip, Here's How We Know - KidzTube
Hur fort snurrar Jordens kärna? - Quora