Latest / Planetary Radio: Space Exploration, Astronomy and Science

Planetary Astronomer Franck Marchis
Based now at the SETI Institute’s Carl Sagan Center, Franck Marchis recently visited the Planetary Society for a conversation with host Mat Kaplan. He uses several of Earth’s most powerful telescopes to study what he calls multiple asteroid systems.Learn more about your ad choices. Visit megaphone.fm/adchoices
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The skinny
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