Sun storms are powered by a magnetic engine 16 Earths deep, study finds

A yellow orb with loops coming out of it and hazy rays all around is slightly blocked by a shadow toward the bottom left of the screen.

The sun's powerful magnetic dynamo that drives sunspot activity and contributes to unleashing powerful solar flares and coronal mass ejections has been confirmed as existing 124,000 miles (200,000 kilometers) beneath the sun's visible surface — equivalent to 16 Earth widths' deep.

Earth's magnetic dynamo is situated in our planet's outer core, where the convection of molten iron generates electrical currents.