For decades, The Earth's core has been a topic of great mystery and intrigue in the scientific community.That's why it lives in constant analysis and its behavior is often monitored and studied by experts who discover the mysteries and changes our planet is facing.
In the early 1970s, Earth's inner core experienced a change in its rotationGradually speeding up to the east, the speed of rotation of the Earth's surface is exceeded.
however, Between 2009 and 2011, this vortex slowed to a halt and then gradually began to turn westward. relative to the surface of the earth. Scientists predict that this pattern of acceleration and deceleration will continue, reaching another plateau in the 2040s and completing its final cycle in an east-west direction.
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Also, a recent study has revealed this The Earth's core receives water from the surface, creating a powerful chemical interaction changes its structure. This hitherto unknown phenomenon is being studied by researchers from various universities around the world, shedding light on the complexity of Earth's interior.
The next core cycle is scheduled to occur in 2040.
Earth's core shakes, science reveals big mystery behind leak
This was revealed in a recent investigation Earth's core seeps from Baffin Island in ancient lava., in Canada. In addition, a strange signal has been detected that confirms that the movements of the Earth's layers affect its ecosystems and the daily lives of different communities, which is as 'fundamental' as the length of days.
The results of the study were published in the journal 'Nature Communications', it said.“By discovering that the inner core moves at a rate that repeats itself every 8.5 years, they have solved one of the greatest mysteries of Earth's interior.”
The survey was conducted under the leadership of Geophysicist Hao Ting, who analyzed how the motion of the Earth's poles changes over the years. It was only after this that it was discovered There is a repeating pattern of movement and rotation about every 8 and a half years.
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This study has again confirmed that The motion pattern of the Earth's inner core varies with the length of days. It is worth noting that the current knowledge of the behavior of the planet's interior comes mainly from the waves generated by earthquakes and nuclear bombs.
The tilt of the Earth's center
Constant analysis of the behavior of the Earth's core helped to discover it It is inclined about 17 degrees with respect to the mantle. The above opinion refutes the idea that the tilt is very high and the rotation of the core coincides with the tilt of the Earth's mantle.
“These deviations provide Valuable constraints for a 3D mantle density model (…) highlights possible deviations from a perfect spherical shape, which is calculated using traditional theories,” says Hao Ding in a press release.
Experts note that both the tilt and oscillation of the Earth's core create a domino effect. It means the above The wobble of the Earth's core causes changes in the Earth's rotation and the length of the day.
“The constant gradient will cause a certain change in the shape of the fluid core, which will cause a change in the motion of the fluid and a corresponding change in the geomagnetic field,” Ding explains.
