Planetary Radio: Space Exploration, Astronomy and Science

Looking for E.T.'s Laser Beam: An Optical SETI Update

Planetary Radio: Space Exploration, Astronomy and Science

An update on the Optical Search for Extraterrestrial Intelligence from Harvard's Paul Horowitz.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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