Planetary Radio • Feb 17, 2003

Optical SETI Has an Eye for Extraterrestrial Messages

On This Episode

20140828 Paul Horowitz

Paul Horowitz

Astrophysicist for Harvard University

Could an extraterrestrial intelligence use a giant laser to communicate between the stars? Harvard professor Paul Horowitz is part of the search for such illuminating signals. Also, diamond rain, and Bruce Betts with our weekly space trivia contest.