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physical phenomena > event > celestial event > periodic celestial event > meteor shower > Orionid |
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 shower | the 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 orbit | periodic celestial event | the object from which the meteroids originate | a location on the sky from which meteor showers seem to originate | a few hours | ||
Orionid | 30 per hour | 21 October | Comet Halley | Orion | meteor shower | 2 days |
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