Scientists Detect Shape-Shifting Along Earth’s Solid Inner Core
Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the vibrations generated by earthquakes that pass through the planet. The speed and the direction of the seismic vibrations change depending on the density and the elasticity of the rocks.
1️⃣ Shifting shape: Scientists who recently confirmed that Earth’s inner core reversed its spin have a new revelation.
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Earth’s inner core undergoing structural changes, affecting length of daysThe study analyzed decades of seismic data, including recordings of repeating earthquakes near Antarctica between 1991 and ...
like a spinning person pulling their arms in. Movement within the Earth’s molten core that shifts mass on the planet. Ocean circulation and pressure on the seabed that pulls on the Earth’s ...
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