the lack of any sunspots suggests the current solar minimum is one of the 'deepest' in 100 years.
the lack of any sunspots suggests the current solar minimum is one of the 'deepest' in 100 years.
sun:186
at solar-cycle minimum, the toroidal field is, correspondingly, at minimum strength, sunspots are relatively rare, and the poloidal field is at its maximum strength.