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Comet Swift-Tuttle: The Icy Parent of the Perseid Meteor Shower

08-10-2016 • http://www.space.com, By Sarah Lewin

The spectacular Perseid meteor shower, peaking Thursday night (Aug. 11–12), lights up Earth's sky every summer as Earth passes through the trail left by Comet Swift-Tuttle, a miles-wide behemoth that swings by Earth every 133 years.

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Comet Swift-Tuttle: The Icy Parent of the Perseid Meteor Shower

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