OUR DRIVE-Scientists have succeeded in tracing the origins of solar storms to a thin layer deep in the Sun’s interior called the tachocline.
These findings reveal that the sun’s magnetic activity begins deep beneath its surface.
Solar storms bring the release of radiation and charged particles that occur when solar activity reaches peak sunspots.
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Physicists at the New Jersey Institute of Technology identified the origin of these magnetic forces in a study published in Scientific Reports.
The tachocline layer is located about 200,000 kilometers below the surface of the Sun.
This region is a very thin transition zone between the turbulent outer convection zone and the stable radiative zone.
Sudden rotational changes in this layer trigger strong shearing movements in the charged plasma, which then strengthens the magnetic field.
Scientists studied nearly three decades of acoustic data from NASA’s SOHO satellite and the GONG network of telescopes on Earth to detect tiny ripples on the sun’s surface caused by flows in the deep interior.
As a result, it was found that rotating plasma bands at the tachocline formed a “butterfly” pattern, which was consistent with the migration of sunspots towards the equator in each 11-year cycle.
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