Nice bit of writing at https://astrobites.org/2015/02/19/cool-stars-have-magnetic-fields-too/ … 'consider, for example, the solar dynamo (dynamo is a fancy term for the thing that creates a magnetic field) ….'. Our Sun has complex magnetic fields which give rise to sun spots – but we do not understand the inner workings of the Sun's dynamo …. etc.
Magnetic Fields
8 December 2018Electromagnetism