Assertion: moon's appearance | /r/HasProperty | the phase
Facets:
Source sentences:
text: As the moon orbits the earth, its appearance (the "phase") changes and thus gives us an indication of the moon's progress in the cycle (the "age").
text: As the moon orbits the earth, its appearance (the "phase") changes and thus gives us an indication of the moon's progress in the cycle (the "age").