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physical phenomena > event > celestial event > periodic celestial event > meteor shower > Orionid
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Orionid comparison table
Subject has rate has start time has definition is a kind of has parent object has radiant is an instance of has duration
meteor showerthe number of meteors observed in a given interval from the observers location temporary increase in the rate at which meteors are observed when the target runs into a swarm of meteoroids that share a common orbitperiodic celestial eventthe object from which the meteroids originatea location on the sky from which meteor showers seem to originate a few hours
Orionid30 per hour21 October  Comet HalleyOrionmeteor shower2 days

Next meteor showerPerseid    Upmeteor shower    Previous meteor showerLyrid