Summer night sky: Perseid meteor shower

The Homestretch

The night sky in Alberta is about to get even brighter as the peak of the Perseid meteor shower gets closer and closer. It's a light show astronomers -- both amateur and professional -- look forward to every summer. Alan Dyer is an astronomy author and photographer. He joined host Doug Dirks on the line from the Grasslands National Park Dark Sky Preserve in Saskatchewan.

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