#reflection.physical_phenomenon__reflexion  the phenomenon of a propagating wave (light or sound) being thrown back from a surface
  supertype:  physical_phenomenon  a natural phenomenon involving the physics of matter and energy
  subtype:  virtual_image__virtualimage  a reflected optical image (as seen in a plane mirror)
  subtype:  zodiacal_light  a luminous tract in the sky; a reflection of sunlight from cosmic dust in the plane of the ecliptic; visible just before sunrise and just after sunset

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