Assertion: sunspot's polarity | /r/CapableOf | undergo reversal
Facets:
value: in each hemisphere
type: LOCATION
value: from one sunspot cycle
type: TEMPORAL
Source sentences:
text: Shortly after this discovery, ongoing studies of the magnetic polarities of sunspot pairs by Hale and collaborators revealed yet another intriguing pattern: from one sunspot cycle to the next, the magnetic polarities of sunspot pairs undergo a reversal in each hemisphere.