According to the scientists, the inner core rotates faster than the Earth's surface for about half ... To you, it will look like the spot "reversed direction" even though it's still rotating ...

"We believe the inner core rotates, relative to the Earth's surface, back and forth, like a swing," they told AFP. "One cycle of the swing is about seven decades," meaning it changes direction ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In elementary school science class, we learned that the Earth has ...

When scientists attempt to “see” all the way through the planet ... This shift makes Earth rotate faster, and the length of a day shortens. But such rotational shifts translate to mere ...

According to the scientists, the inner core rotates faster than the Earth's surface for about half the cycle ... To you, it will look like the spot "reversed direction" even though it's still rotating ...

This shift makes Earth rotate faster, and the length of a day ... and how it moves — its rotation speed and direction — has ...