Assertion: sunspot | /r/HasProperty | seen through solar max
Facets:
value: in 1989
type: TEMPORAL
Source sentences:
text: An example of a recent sunspot cycle spans the years from the solar min in 1986, when 13 sunspots were seen, through the solar max in 1989 when more than 157 sunspots appeared, on to the next solar min in 1996 (ten years after the 1986 solar min) when the sunspot count had fallen back down to fewer than 9.