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physical phenomena > event > celestial event > periodic celestial event > meteor shower > Perseid

Perseid
subject			fact

Perseid	has rate 100 per hour
	has duration 3 days
	has parent object Comet Swift-Tuttle
	has radiant Perseus
	has start time 12 August
	is an instance of meteor shower
meteor shower	has period one year
	has location which depends on the observer's location on the planet, is it facing the correct direction
event	has synonym world point
	has time of occurrence