Shooting stars are just pea-sized rocks... and other space wonders

Ahead of the peak of the Perseid meteor shower, we're re-airing our first episode with host Regina G. Barber. In it, Regina and planetary scientist Melissa Rice explore all things shooting stars. They talk about the different types, where they come from and what they actually are (hint: not stars).

Learn more about viewing the Perseids, which will peak Aug. 12: A Perfect Year for the Perseid Meteor Shower

Interested in more stellar science in the news? Email us your question at shortwave@npr.org.

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