Planetary Radio: Space Exploration, Astronomy and Science

The Giant Magellan Telescope

Planetary Radio: Space Exploration, Astronomy and Science

Giant Magellan Telescope Director Patrick McCarthy. Emily Lakdawalla on Mars' acne. Bill Nye says a solar sail could test relativity.Learn more about your ad choices. Visit megaphone.fm/adchoices See omnystudio.com/listener for privacy information. See omnystudio.com/listener for privacy information.

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