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physical phenomena > event > celestial event > impact event > meteor event > retardation point
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retardation point comparison table
Subject occur for has start time has altitude has definition is a kind of has duration
meteor event   The event in a sequence of the events during the passage of a meteor. They are in order :
  1. incandescent flight
  2. fireball
  3. smoke trail
  4. meteoroid break up
  5. retardation point
  6. dark flight
  7. meteorite impact
impact event 
retardation pointmeteoroids heavier than 10 tons they impact with a significant fraction of their cosmic velocityshortly after the time of initial contact with atmosphere but before impactinversely proportional to the mass of the meteoroidthe point in the flight of a meteoroid through the atmosphere where it loses its cosmic velocity and falls freely due to gravitymeteor eventzero (it is a point in time)

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