Assertion: planet's moon | /r/CapableOf | appear at same position
Facets:
value: in the sky
type: LOCATION
value: in 19 years
type: TEMPORAL
Source sentences:
text: The mechanism is based on a solar year, the Metonic Cycle, which is the period the Moon reappears in the same place in the sky with the same phase (full Moon appears at the same position in the sky approximately in 19 years), the Callipic cycle (which is four Metonic cycles and more accurate), the Saros cycle and the Exeligmos cycles (three Saros cycles for the accurate eclipse prediction).