Assertion: star's position | /r/CapableOf | cross the iau boundary of gemini
Facets:
value: in 1990
type: TEMPORAL
value: due to the precession of the equinoxes
type: CAUSE
value: into taurus
type: TRANSITIVE-OBJECT
Source sentences:
text: In 1990, due to the precession of the equinoxes, the position of the Sun on the first day of summer (June 21) crossed the IAU boundary of Gemini into Taurus.