Assertion: sunspot | /r/HasProperty | rare
Facets:
value: exceedingly
type: DEGREE
value: at minimum strength
type: OTHER
value: relatively
type: DEGREE
Source sentences:
text: At solar minimum, the toroidal field is, correspondingly, at minimum strength, sunspots are relatively rare and the poloidal field is at maximum strength.
text: The period starting about 1645 and continuing to about 1715 when sunspots were exceedingly rare