Scientists have discovered a “new hidden world” in the center of the earth


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Recent research provides new data on the Earth’s center, which could revolutionize the assessment of our planet’s magnetic field.

By rt.com

Researchers from the Hawaiian Institute of Geophysics and Planetology (USA) and the Agency for Ocean-Terrestrial Science and Technology (Japan) published a study in September in the journal Physics of Earth and Planetary Interiors. The earth is not entirely solid (believed for more than half a century), but its solid Varies from carbide to semi-soft and fluid.

Jessica Irving, a seismologist at the University of Bristol in the UK, who has not been involved in the study, said: “The more we look at it, the more we understand that it’s not a boring iron ball.” Completely new hidden world“.

By collecting data from seismic waves generated by earthquakes, geophysicists describe the image of the planet’s inner workings as “like a person’s CT scan.”

There are two main types of waves: straight line compression waves and wavy shear waves. Each wave can travel from one end of the earth to the other, and depending on the object they pass through, Its speed and direction vary.

Red Butler, one of the authors of the new study, studied seismic waves created by large earthquakes that traveled through the center of the earth. Butler noted that the tidal waves that must have passed through a solid metal ball were diverted in some areas, signifying only one thing: the center of the planet. Not entirely solidInstead, there are pieces of liquid and “soft” iron near its surface.

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“We see a lot of details within the inner center that we haven’t seen before,” Butler said.

This research is possible Possible revolution According to the authors of the study, it is important to understand our appreciation of the Earth’s magnetic field, as it is modified by the inner center. Relationship Between the interior of a planet and its magnetic field.

Misty Tate

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