Loading…
Loading content
Loading…
Loading contentThe Sun does not rotate as a solid body: its equator completes a turn in about twenty-five days while the polar regions take around thirty-five. This shearing of the plasma winds up the magnetic field and is a key ingredient of the solar dynamo. It is measured from tracking sunspots and from helioseismology.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.