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Health & Science

Perseid Meteor Shower To Reach Its Peak Tonight

NPR's Melissa Block talks with Kelly Beatty, senior contributing editor for Sky & Telescope, about the annual Perseid meteor shower, which reaches its peak Wednesday night. The event is a cascade of particles traveling at about 37 mph and appearing in the sky as purple streaks. They show up in August every year because Earth is in the path of the Comet Swift-Tuttle.

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