skinny.

Latest / Planetary Radio: Space Exploration, Astronomy and Science

Planetary Society Executive Director Lou Friedman on solar sails IKAROS and LightSail-1

Planetary Society Executive Director Lou Friedman on solar sails IKAROS and LightSail-1Learn more about your ad choices. Visit megaphone.fm/adchoices

See omnystudio.com/listener for privacy information.

See omnystudio.com/listener for privacy information.

The skinny

The skinny isn't ready yet — notes appear once the transcript is processed.