#phase  (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun); "the full phase of the moon"
  supertype:  visual_aspect__appearance  outward or visible aspect of a person or thing
  subtype:  phase_of_the_moon  a time when the moon presents a particular recurring appearance
     subtype:  new_moon__newmoon__new_phase_of_the_moon  the time at which the moon appears as a narrow waxing crescent
     subtype:  half-moon  the time at which the moon is at first or last quarter when half its face is illuminated
        subtype:  first_quarter  the first fourth of the moon's period of revolution around the Earth
        subtype:  last_quarter  the last fourth of the moon's period of revolution around the Earth
     subtype:  full_moon__full-of-the-moon__full_phase_of_the_moon  the time when the moon is fully illuminated
        subtype:  harvest_moon__harvestmoon  the full moon nearest the September equinox

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