#meteor_shower__meteor_stream  a transient shower of meteors when a meteor swarm enters the earth's atmosphere
  supertype:  atmospheric_phenomenon__atmosphericphenomenon  a physical phenomenon associated with the atmosphere
  part:  meteor__shooting_star  a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode

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