Assertion: sun's orbit | /r/CapableOf | cross the ecliptic
Facets:
value: twice every draconic month
type: TEMPORAL
value: at its orbital nodes
type: LOCATION
Source sentences:
text: Special conditions must occur for the two events to coincide because the Moon's orbit crosses the ecliptic at its orbital nodes twice every draconic month (27.212220 days) while a new moon occurs one every synodic month (29.530587981 days).
text: A solar eclipse can occur only when new moon occurs close to one of the points (known as nodes) where the Moon's orbit crosses the ecliptic.