Assertion: eclipse's event | /r/CapableOf | happen at same time
Facets:
value: for a partial lunar eclipse
type: PURPOSE
Source sentences:
text: Two celestial events must happen at the same time for a penumbral lunar eclipse to occur:
text: A total solar eclipse, like the eclipse of February 26th, can only occur when two events happen at the same time.
text: For a partial lunar eclipse to occur, two celestial events must happen at the same time: